68877128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{331}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 140137200

約数和(自身を除く): 71260072

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 331, 662, 703, 1324, 1369, 1406, 2648, 2738, 2812, 5476, 5624, 6289, 10952, 12247, 12578, 24494, 25156, 26011, 48988, 50312, 52022, 97976, 104044, 208088, 232693, 453139, 465386, 906278, 930772, 1812556, 1861544, 3625112, 8609641, 17219282, 34438564, 68877128]

約数ペア:

[(1, 68877128), (2, 34438564), (4, 17219282), (8, 8609641), (19, 3625112), (37, 1861544), (38, 1812556), (74, 930772), (76, 906278), (148, 465386), (152, 453139), (296, 232693), (331, 208088), (662, 104044), (703, 97976), (1324, 52022), (1369, 50312), (1406, 48988), (2648, 26011), (2738, 25156), (2812, 24494), (5476, 12578), (5624, 12247), (6289, 10952)]