31666284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 87508512

約数和(自身を除く): 55842228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 953, 1278, 1846, 1906, 2556, 2769, 2859, 3692, 3812, 5538, 5718, 8307, 8577, 11076, 11436, 12389, 16614, 17154, 24778, 33228, 34308, 37167, 49556, 67663, 74334, 111501, 135326, 148668, 202989, 223002, 270652, 405978, 446004, 608967, 811956, 879619, 1217934, 1759238, 2435868, 2638857, 3518476, 5277714, 7916571, 10555428, 15833142, 31666284]

約数ペア:

[(1, 31666284), (2, 15833142), (3, 10555428), (4, 7916571), (6, 5277714), (9, 3518476), (12, 2638857), (13, 2435868), (18, 1759238), (26, 1217934), (36, 879619), (39, 811956), (52, 608967), (71, 446004), (78, 405978), (117, 270652), (142, 223002), (156, 202989), (213, 148668), (234, 135326), (284, 111501), (426, 74334), (468, 67663), (639, 49556), (852, 37167), (923, 34308), (953, 33228), (1278, 24778), (1846, 17154), (1906, 16614), (2556, 12389), (2769, 11436), (2859, 11076), (3692, 8577), (3812, 8307), (5538, 5718)]