819512928

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{218887}}^1$

素因数の和:218916

約数の個数: 72

約数和(自身を含む): 2509769808

約数和(自身を除く): 1690256880

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 218887, 437774, 656661, 875548, 1313322, 1751096, 1969983, 2626644, 2845531, 3502192, 3939966, 5253288, 5691062, 7004384, 7879932, 8536593, 10506576, 11382124, 15759864, 17073186, 21013152, 22764248, 25609779, 31519728, 34146372, 45528496, 51219558, 63039456, 68292744, 91056992, 102439116, 136585488, 204878232, 273170976, 409756464, 819512928]

約数ペア:

[(1, 819512928), (2, 409756464), (3, 273170976), (4, 204878232), (6, 136585488), (8, 102439116), (9, 91056992), (12, 68292744), (13, 63039456), (16, 51219558), (18, 45528496), (24, 34146372), (26, 31519728), (32, 25609779), (36, 22764248), (39, 21013152), (48, 17073186), (52, 15759864), (72, 11382124), (78, 10506576), (96, 8536593), (104, 7879932), (117, 7004384), (144, 5691062), (156, 5253288), (208, 3939966), (234, 3502192), (288, 2845531), (312, 2626644), (416, 1969983), (468, 1751096), (624, 1313322), (936, 875548), (1248, 656661), (1872, 437774), (3744, 218887)]