40728654

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 91366704

約数和(自身を除く): 50638050

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 101, 129, 202, 258, 303, 387, 521, 606, 774, 909, 1042, 1563, 1818, 3126, 4343, 4689, 8686, 9378, 13029, 22403, 26058, 39087, 44806, 52621, 67209, 78174, 105242, 134418, 157863, 201627, 315726, 403254, 473589, 947178, 2262703, 4525406, 6788109, 13576218, 20364327, 40728654]

約数ペア:

[(1, 40728654), (2, 20364327), (3, 13576218), (6, 6788109), (9, 4525406), (18, 2262703), (43, 947178), (86, 473589), (101, 403254), (129, 315726), (202, 201627), (258, 157863), (303, 134418), (387, 105242), (521, 78174), (606, 67209), (774, 52621), (909, 44806), (1042, 39087), (1563, 26058), (1818, 22403), (3126, 13029), (4343, 9378), (4689, 8686)]