38711556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 106195544

約数和(自身を除く): 67483988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 181, 234, 362, 457, 468, 543, 724, 914, 1086, 1371, 1629, 1828, 2172, 2353, 2742, 3258, 4113, 4706, 5484, 5941, 6516, 7059, 8226, 9412, 11882, 14118, 16452, 17823, 21177, 23764, 28236, 35646, 42354, 53469, 71292, 82717, 84708, 106938, 165434, 213876, 248151, 330868, 496302, 744453, 992604, 1075321, 1488906, 2150642, 2977812, 3225963, 4301284, 6451926, 9677889, 12903852, 19355778, 38711556]

約数ペア:

[(1, 38711556), (2, 19355778), (3, 12903852), (4, 9677889), (6, 6451926), (9, 4301284), (12, 3225963), (13, 2977812), (18, 2150642), (26, 1488906), (36, 1075321), (39, 992604), (52, 744453), (78, 496302), (117, 330868), (156, 248151), (181, 213876), (234, 165434), (362, 106938), (457, 84708), (468, 82717), (543, 71292), (724, 53469), (914, 42354), (1086, 35646), (1371, 28236), (1629, 23764), (1828, 21177), (2172, 17823), (2353, 16452), (2742, 14118), (3258, 11882), (4113, 9412), (4706, 8226), (5484, 7059), (5941, 6516)]