201821672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 428878800

約数和(自身を除く): 227057128

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 61, 104, 116, 122, 232, 244, 377, 488, 754, 793, 1097, 1508, 1586, 1769, 2194, 3016, 3172, 3538, 4388, 6344, 7076, 8776, 14152, 14261, 22997, 28522, 31813, 45994, 57044, 63626, 66917, 91988, 114088, 127252, 133834, 183976, 254504, 267668, 413569, 535336, 827138, 869921, 1654276, 1739842, 1940593, 3308552, 3479684, 3881186, 6959368, 7762372, 15524744, 25227709, 50455418, 100910836, 201821672]

約数ペア:

[(1, 201821672), (2, 100910836), (4, 50455418), (8, 25227709), (13, 15524744), (26, 7762372), (29, 6959368), (52, 3881186), (58, 3479684), (61, 3308552), (104, 1940593), (116, 1739842), (122, 1654276), (232, 869921), (244, 827138), (377, 535336), (488, 413569), (754, 267668), (793, 254504), (1097, 183976), (1508, 133834), (1586, 127252), (1769, 114088), (2194, 91988), (3016, 66917), (3172, 63626), (3538, 57044), (4388, 45994), (6344, 31813), (7076, 28522), (8776, 22997), (14152, 14261)]