16987850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{461}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 35060256

約数和(自身を除く): 18072406

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 67, 110, 134, 275, 335, 461, 550, 670, 737, 922, 1474, 1675, 2305, 3350, 3685, 4610, 5071, 7370, 10142, 11525, 18425, 23050, 25355, 30887, 36850, 50710, 61774, 126775, 154435, 253550, 308870, 339757, 679514, 772175, 1544350, 1698785, 3397570, 8493925, 16987850]

約数ペア:

[(1, 16987850), (2, 8493925), (5, 3397570), (10, 1698785), (11, 1544350), (22, 772175), (25, 679514), (50, 339757), (55, 308870), (67, 253550), (110, 154435), (134, 126775), (275, 61774), (335, 50710), (461, 36850), (550, 30887), (670, 25355), (737, 23050), (922, 18425), (1474, 11525), (1675, 10142), (2305, 7370), (3350, 5071), (3685, 4610)]