7891156

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 18322080

約数和(自身を除く): 10430924

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 163, 182, 196, 247, 266, 326, 364, 494, 532, 637, 652, 931, 988, 1141, 1274, 1729, 1862, 2119, 2282, 2548, 3097, 3458, 3724, 4238, 4564, 6194, 6916, 7987, 8476, 12103, 12388, 14833, 15974, 21679, 24206, 29666, 31948, 40261, 43358, 48412, 59332, 80522, 86716, 103831, 151753, 161044, 207662, 281827, 303506, 415324, 563654, 607012, 1127308, 1972789, 3945578, 7891156]

約数ペア:

[(1, 7891156), (2, 3945578), (4, 1972789), (7, 1127308), (13, 607012), (14, 563654), (19, 415324), (26, 303506), (28, 281827), (38, 207662), (49, 161044), (52, 151753), (76, 103831), (91, 86716), (98, 80522), (133, 59332), (163, 48412), (182, 43358), (196, 40261), (247, 31948), (266, 29666), (326, 24206), (364, 21679), (494, 15974), (532, 14833), (637, 12388), (652, 12103), (931, 8476), (988, 7987), (1141, 6916), (1274, 6194), (1729, 4564), (1862, 4238), (2119, 3724), (2282, 3458), (2548, 3097)]