399712404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{52291}}^1$

素因数の和:52325

約数の個数: 72

約数和(自身を含む): 1168412448

約数和(自身を除く): 768700044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 52291, 104582, 156873, 209164, 313746, 366037, 627492, 679783, 732074, 1098111, 1359566, 1464148, 2039349, 2196222, 2562259, 2719132, 4078698, 4392444, 4758481, 5124518, 7686777, 8157396, 9516962, 10249036, 14275443, 15373554, 19033924, 28550886, 30747108, 33309367, 57101772, 66618734, 99928101, 133237468, 199856202, 399712404]

約数ペア:

[(1, 399712404), (2, 199856202), (3, 133237468), (4, 99928101), (6, 66618734), (7, 57101772), (12, 33309367), (13, 30747108), (14, 28550886), (21, 19033924), (26, 15373554), (28, 14275443), (39, 10249036), (42, 9516962), (49, 8157396), (52, 7686777), (78, 5124518), (84, 4758481), (91, 4392444), (98, 4078698), (147, 2719132), (156, 2562259), (182, 2196222), (196, 2039349), (273, 1464148), (294, 1359566), (364, 1098111), (546, 732074), (588, 679783), (637, 627492), (1092, 366037), (1274, 313746), (1911, 209164), (2548, 156873), (3822, 104582), (7644, 52291)]