642526248

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4391}}^1$

素因数の和:4487

約数の個数: 128

約数和(自身を含む): 2006968320

約数和(自身を除く): 1364442072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 67, 78, 84, 91, 104, 134, 156, 168, 182, 201, 268, 273, 312, 364, 402, 469, 536, 546, 728, 804, 871, 938, 1092, 1407, 1608, 1742, 1876, 2184, 2613, 2814, 3484, 3752, 4391, 5226, 5628, 6097, 6968, 8782, 10452, 11256, 12194, 13173, 17564, 18291, 20904, 24388, 26346, 30737, 35128, 36582, 48776, 52692, 57083, 61474, 73164, 92211, 105384, 114166, 122948, 146328, 171249, 184422, 228332, 245896, 294197, 342498, 368844, 399581, 456664, 588394, 684996, 737688, 799162, 882591, 1176788, 1198743, 1369992, 1598324, 1765182, 2059379, 2353576, 2397486, 3196648, 3530364, 3824561, 4118758, 4794972, 6178137, 7060728, 7649122, 8237516, 9589944, 11473683, 12356274, 15298244, 16475032, 22947366, 24712548, 26771927, 30596488, 45894732, 49425096, 53543854, 80315781, 91789464, 107087708, 160631562, 214175416, 321263124, 642526248]

約数ペア:

[(1, 642526248), (2, 321263124), (3, 214175416), (4, 160631562), (6, 107087708), (7, 91789464), (8, 80315781), (12, 53543854), (13, 49425096), (14, 45894732), (21, 30596488), (24, 26771927), (26, 24712548), (28, 22947366), (39, 16475032), (42, 15298244), (52, 12356274), (56, 11473683), (67, 9589944), (78, 8237516), (84, 7649122), (91, 7060728), (104, 6178137), (134, 4794972), (156, 4118758), (168, 3824561), (182, 3530364), (201, 3196648), (268, 2397486), (273, 2353576), (312, 2059379), (364, 1765182), (402, 1598324), (469, 1369992), (536, 1198743), (546, 1176788), (728, 882591), (804, 799162), (871, 737688), (938, 684996), (1092, 588394), (1407, 456664), (1608, 399581), (1742, 368844), (1876, 342498), (2184, 294197), (2613, 245896), (2814, 228332), (3484, 184422), (3752, 171249), (4391, 146328), (5226, 122948), (5628, 114166), (6097, 105384), (6968, 92211), (8782, 73164), (10452, 61474), (11256, 57083), (12194, 52692), (13173, 48776), (17564, 36582), (18291, 35128), (20904, 30737), (24388, 26346)]