81008096

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 186348960

約数和(自身を除く): 105340864

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 37, 38, 52, 74, 76, 104, 148, 152, 208, 247, 277, 296, 304, 416, 481, 494, 554, 592, 608, 703, 962, 988, 1108, 1184, 1406, 1924, 1976, 2216, 2812, 3601, 3848, 3952, 4432, 5263, 5624, 7202, 7696, 7904, 8864, 9139, 10249, 10526, 11248, 14404, 15392, 18278, 20498, 21052, 22496, 28808, 36556, 40996, 42104, 57616, 68419, 73112, 81992, 84208, 115232, 133237, 136838, 146224, 163984, 168416, 194731, 266474, 273676, 292448, 327968, 389462, 532948, 547352, 778924, 1065896, 1094704, 1557848, 2131792, 2189408, 2531503, 3115696, 4263584, 5063006, 6231392, 10126012, 20252024, 40504048, 81008096]

約数ペア:

[(1, 81008096), (2, 40504048), (4, 20252024), (8, 10126012), (13, 6231392), (16, 5063006), (19, 4263584), (26, 3115696), (32, 2531503), (37, 2189408), (38, 2131792), (52, 1557848), (74, 1094704), (76, 1065896), (104, 778924), (148, 547352), (152, 532948), (208, 389462), (247, 327968), (277, 292448), (296, 273676), (304, 266474), (416, 194731), (481, 168416), (494, 163984), (554, 146224), (592, 136838), (608, 133237), (703, 115232), (962, 84208), (988, 81992), (1108, 73112), (1184, 68419), (1406, 57616), (1924, 42104), (1976, 40996), (2216, 36556), (2812, 28808), (3601, 22496), (3848, 21052), (3952, 20498), (4432, 18278), (5263, 15392), (5624, 14404), (7202, 11248), (7696, 10526), (7904, 10249), (8864, 9139)]