990390804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{18191}}^1$

素因数の和:18560

約数の個数: 48

約数和(自身を含む): 2495942400

約数和(自身を除く): 1505551596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 349, 698, 1047, 1396, 2094, 4188, 4537, 9074, 13611, 18148, 18191, 27222, 36382, 54444, 54573, 72764, 109146, 218292, 236483, 472966, 709449, 945932, 1418898, 2837796, 6348659, 12697318, 19045977, 25394636, 38091954, 76183908, 82532567, 165065134, 247597701, 330130268, 495195402, 990390804]

約数ペア:

[(1, 990390804), (2, 495195402), (3, 330130268), (4, 247597701), (6, 165065134), (12, 82532567), (13, 76183908), (26, 38091954), (39, 25394636), (52, 19045977), (78, 12697318), (156, 6348659), (349, 2837796), (698, 1418898), (1047, 945932), (1396, 709449), (2094, 472966), (4188, 236483), (4537, 218292), (9074, 109146), (13611, 72764), (18148, 54573), (18191, 54444), (27222, 36382)]