38790856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 83966400

約数和(自身を除く): 45175544

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 67, 76, 104, 134, 152, 247, 268, 293, 494, 536, 586, 871, 988, 1172, 1273, 1742, 1976, 2344, 2546, 3484, 3809, 5092, 5567, 6968, 7618, 10184, 11134, 15236, 16549, 19631, 22268, 30472, 33098, 39262, 44536, 66196, 72371, 78524, 132392, 144742, 157048, 255203, 289484, 372989, 510406, 578968, 745978, 1020812, 1491956, 2041624, 2983912, 4848857, 9697714, 19395428, 38790856]

約数ペア:

[(1, 38790856), (2, 19395428), (4, 9697714), (8, 4848857), (13, 2983912), (19, 2041624), (26, 1491956), (38, 1020812), (52, 745978), (67, 578968), (76, 510406), (104, 372989), (134, 289484), (152, 255203), (247, 157048), (268, 144742), (293, 132392), (494, 78524), (536, 72371), (586, 66196), (871, 44536), (988, 39262), (1172, 33098), (1273, 30472), (1742, 22268), (1976, 19631), (2344, 16549), (2546, 15236), (3484, 11134), (3809, 10184), (5092, 7618), (5567, 6968)]