641411428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 1415715840

約数和(自身を除く): 774304412

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 79, 119, 148, 158, 238, 259, 316, 461, 476, 518, 553, 629, 922, 1036, 1106, 1258, 1343, 1844, 2212, 2516, 2686, 2923, 3227, 4403, 5372, 5846, 6454, 7837, 8806, 9401, 11692, 12908, 15674, 17057, 17612, 18802, 20461, 31348, 34114, 36419, 37604, 40922, 49691, 54859, 68228, 72838, 81844, 99382, 109718, 119399, 145676, 198764, 219436, 238798, 254933, 289969, 347837, 477596, 509866, 579938, 619123, 695674, 1019732, 1159876, 1238246, 1347503, 1391348, 2029783, 2476492, 2695006, 4059566, 4333861, 5390012, 8119132, 8667722, 9432521, 17335444, 18865042, 22907551, 37730084, 45815102, 91630204, 160352857, 320705714, 641411428]

約数ペア:

[(1, 641411428), (2, 320705714), (4, 160352857), (7, 91630204), (14, 45815102), (17, 37730084), (28, 22907551), (34, 18865042), (37, 17335444), (68, 9432521), (74, 8667722), (79, 8119132), (119, 5390012), (148, 4333861), (158, 4059566), (238, 2695006), (259, 2476492), (316, 2029783), (461, 1391348), (476, 1347503), (518, 1238246), (553, 1159876), (629, 1019732), (922, 695674), (1036, 619123), (1106, 579938), (1258, 509866), (1343, 477596), (1844, 347837), (2212, 289969), (2516, 254933), (2686, 238798), (2923, 219436), (3227, 198764), (4403, 145676), (5372, 119399), (5846, 109718), (6454, 99382), (7837, 81844), (8806, 72838), (9401, 68228), (11692, 54859), (12908, 49691), (15674, 40922), (17057, 37604), (17612, 36419), (18802, 34114), (20461, 31348)]