648989068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 1505226240

約数和(自身を除く): 856237172

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 67, 89, 91, 92, 134, 161, 169, 178, 182, 268, 299, 322, 338, 356, 364, 469, 598, 623, 644, 676, 871, 938, 1157, 1183, 1196, 1246, 1541, 1742, 1876, 2047, 2093, 2314, 2366, 2492, 3082, 3484, 3887, 4094, 4186, 4628, 4732, 5963, 6097, 6164, 7774, 8099, 8188, 8372, 10787, 11323, 11926, 12194, 14329, 15041, 15548, 16198, 20033, 21574, 22646, 23852, 24388, 26611, 27209, 28658, 30082, 32396, 40066, 41741, 43148, 45292, 53222, 54418, 57316, 60164, 77519, 79261, 80132, 83482, 105287, 106444, 108836, 137149, 140231, 155038, 158522, 166964, 186277, 210574, 260429, 274298, 280462, 310076, 317044, 345943, 372554, 421148, 520858, 542633, 548596, 560924, 691886, 745108, 960043, 1007747, 1041716, 1085266, 1383772, 1782937, 1823003, 1920086, 2015494, 2170532, 2421601, 3565874, 3646006, 3840172, 4030988, 4843202, 7054229, 7131748, 7292012, 9686404, 12480559, 14108458, 23178181, 24961118, 28216916, 46356362, 49922236, 92712724, 162247267, 324494534, 648989068]

約数ペア:

[(1, 648989068), (2, 324494534), (4, 162247267), (7, 92712724), (13, 49922236), (14, 46356362), (23, 28216916), (26, 24961118), (28, 23178181), (46, 14108458), (52, 12480559), (67, 9686404), (89, 7292012), (91, 7131748), (92, 7054229), (134, 4843202), (161, 4030988), (169, 3840172), (178, 3646006), (182, 3565874), (268, 2421601), (299, 2170532), (322, 2015494), (338, 1920086), (356, 1823003), (364, 1782937), (469, 1383772), (598, 1085266), (623, 1041716), (644, 1007747), (676, 960043), (871, 745108), (938, 691886), (1157, 560924), (1183, 548596), (1196, 542633), (1246, 520858), (1541, 421148), (1742, 372554), (1876, 345943), (2047, 317044), (2093, 310076), (2314, 280462), (2366, 274298), (2492, 260429), (3082, 210574), (3484, 186277), (3887, 166964), (4094, 158522), (4186, 155038), (4628, 140231), (4732, 137149), (5963, 108836), (6097, 106444), (6164, 105287), (7774, 83482), (8099, 80132), (8188, 79261), (8372, 77519), (10787, 60164), (11323, 57316), (11926, 54418), (12194, 53222), (14329, 45292), (15041, 43148), (15548, 41741), (16198, 40066), (20033, 32396), (21574, 30082), (22646, 28658), (23852, 27209), (24388, 26611)]