31481352

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 102297600

約数和(自身を除く): 70816248

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 47, 54, 56, 63, 72, 84, 94, 108, 126, 141, 168, 188, 189, 216, 252, 282, 329, 376, 378, 423, 443, 504, 564, 658, 756, 846, 886, 987, 1128, 1269, 1316, 1329, 1512, 1692, 1772, 1974, 2538, 2632, 2658, 2961, 3101, 3384, 3544, 3948, 3987, 5076, 5316, 5922, 6202, 7896, 7974, 8883, 9303, 10152, 10632, 11844, 11961, 12404, 15948, 17766, 18606, 20821, 23688, 23922, 24808, 27909, 31896, 35532, 37212, 41642, 47844, 55818, 62463, 71064, 74424, 83284, 83727, 95688, 111636, 124926, 145747, 166568, 167454, 187389, 223272, 249852, 291494, 334908, 374778, 437241, 499704, 562167, 582988, 669816, 749556, 874482, 1124334, 1165976, 1311723, 1499112, 1748964, 2248668, 2623446, 3497928, 3935169, 4497336, 5246892, 7870338, 10493784, 15740676, 31481352]

約数ペア:

[(1, 31481352), (2, 15740676), (3, 10493784), (4, 7870338), (6, 5246892), (7, 4497336), (8, 3935169), (9, 3497928), (12, 2623446), (14, 2248668), (18, 1748964), (21, 1499112), (24, 1311723), (27, 1165976), (28, 1124334), (36, 874482), (42, 749556), (47, 669816), (54, 582988), (56, 562167), (63, 499704), (72, 437241), (84, 374778), (94, 334908), (108, 291494), (126, 249852), (141, 223272), (168, 187389), (188, 167454), (189, 166568), (216, 145747), (252, 124926), (282, 111636), (329, 95688), (376, 83727), (378, 83284), (423, 74424), (443, 71064), (504, 62463), (564, 55818), (658, 47844), (756, 41642), (846, 37212), (886, 35532), (987, 31896), (1128, 27909), (1269, 24808), (1316, 23922), (1329, 23688), (1512, 20821), (1692, 18606), (1772, 17766), (1974, 15948), (2538, 12404), (2632, 11961), (2658, 11844), (2961, 10632), (3101, 10152), (3384, 9303), (3544, 8883), (3948, 7974), (3987, 7896), (5076, 6202), (5316, 5922)]