207442456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1820

約数の個数: 64

約数和(自身を含む): 448408800

約数和(自身を除く): 240966344

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 488, 494, 793, 988, 1159, 1586, 1721, 1976, 2318, 3172, 3442, 4636, 6344, 6884, 9272, 13768, 15067, 22373, 30134, 32699, 44746, 60268, 65398, 89492, 104981, 120536, 130796, 178984, 209962, 261592, 419924, 425087, 839848, 850174, 1364753, 1700348, 1994639, 2729506, 3400696, 3989278, 5459012, 7978556, 10918024, 15957112, 25930307, 51860614, 103721228, 207442456]

約数ペア:

[(1, 207442456), (2, 103721228), (4, 51860614), (8, 25930307), (13, 15957112), (19, 10918024), (26, 7978556), (38, 5459012), (52, 3989278), (61, 3400696), (76, 2729506), (104, 1994639), (122, 1700348), (152, 1364753), (244, 850174), (247, 839848), (488, 425087), (494, 419924), (793, 261592), (988, 209962), (1159, 178984), (1586, 130796), (1721, 120536), (1976, 104981), (2318, 89492), (3172, 65398), (3442, 60268), (4636, 44746), (6344, 32699), (6884, 30134), (9272, 22373), (13768, 15067)]