40390974

素因数分解:

$2^1\times 3^6\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2164

約数の個数: 56

約数和(自身を含む): 97871592

約数和(自身を除く): 57480618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 351, 486, 702, 729, 1053, 1458, 2106, 2131, 3159, 4262, 6318, 6393, 9477, 12786, 18954, 19179, 27703, 38358, 55406, 57537, 83109, 115074, 166218, 172611, 249327, 345222, 498654, 517833, 747981, 1035666, 1495962, 1553499, 2243943, 3106998, 4487886, 6731829, 13463658, 20195487, 40390974]

約数ペア:

[(1, 40390974), (2, 20195487), (3, 13463658), (6, 6731829), (9, 4487886), (13, 3106998), (18, 2243943), (26, 1553499), (27, 1495962), (39, 1035666), (54, 747981), (78, 517833), (81, 498654), (117, 345222), (162, 249327), (234, 172611), (243, 166218), (351, 115074), (486, 83109), (702, 57537), (729, 55406), (1053, 38358), (1458, 27703), (2106, 19179), (2131, 18954), (3159, 12786), (4262, 9477), (6318, 6393)]