31787288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 68160960

約数和(自身を除く): 36373672

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 97, 104, 137, 184, 194, 274, 299, 388, 548, 598, 776, 1096, 1196, 1261, 1781, 2231, 2392, 2522, 3151, 3562, 4462, 5044, 6302, 7124, 8924, 10088, 12604, 13289, 14248, 17848, 25208, 26578, 29003, 40963, 53156, 58006, 81926, 106312, 116012, 163852, 172757, 232024, 305647, 327704, 345514, 611294, 691028, 1222588, 1382056, 2445176, 3973411, 7946822, 15893644, 31787288]

約数ペア:

[(1, 31787288), (2, 15893644), (4, 7946822), (8, 3973411), (13, 2445176), (23, 1382056), (26, 1222588), (46, 691028), (52, 611294), (92, 345514), (97, 327704), (104, 305647), (137, 232024), (184, 172757), (194, 163852), (274, 116012), (299, 106312), (388, 81926), (548, 58006), (598, 53156), (776, 40963), (1096, 29003), (1196, 26578), (1261, 25208), (1781, 17848), (2231, 14248), (2392, 13289), (2522, 12604), (3151, 10088), (3562, 8924), (4462, 7124), (5044, 6302)]