42686456

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 87495000

約数和(自身を除く): 44808544

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 136, 148, 289, 296, 499, 578, 629, 998, 1156, 1258, 1996, 2312, 2516, 3992, 5032, 8483, 10693, 16966, 18463, 21386, 33932, 36926, 42772, 67864, 73852, 85544, 144211, 147704, 288422, 313871, 576844, 627742, 1153688, 1255484, 2510968, 5335807, 10671614, 21343228, 42686456]

約数ペア:

[(1, 42686456), (2, 21343228), (4, 10671614), (8, 5335807), (17, 2510968), (34, 1255484), (37, 1153688), (68, 627742), (74, 576844), (136, 313871), (148, 288422), (289, 147704), (296, 144211), (499, 85544), (578, 73852), (629, 67864), (998, 42772), (1156, 36926), (1258, 33932), (1996, 21386), (2312, 18463), (2516, 16966), (3992, 10693), (5032, 8483)]