258793912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1619}}^1$

素因数の和:1720

約数の個数: 64

約数和(自身を含む): 551124000

約数和(自身を除く): 292330088

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 53, 58, 104, 106, 116, 212, 232, 377, 424, 689, 754, 1378, 1508, 1537, 1619, 2756, 3016, 3074, 3238, 5512, 6148, 6476, 12296, 12952, 19981, 21047, 39962, 42094, 46951, 79924, 84188, 85807, 93902, 159848, 168376, 171614, 187804, 343228, 375608, 610363, 686456, 1115491, 1220726, 2230982, 2441452, 2488403, 4461964, 4882904, 4976806, 8923928, 9953612, 19907224, 32349239, 64698478, 129396956, 258793912]

約数ペア:

[(1, 258793912), (2, 129396956), (4, 64698478), (8, 32349239), (13, 19907224), (26, 9953612), (29, 8923928), (52, 4976806), (53, 4882904), (58, 4461964), (104, 2488403), (106, 2441452), (116, 2230982), (212, 1220726), (232, 1115491), (377, 686456), (424, 610363), (689, 375608), (754, 343228), (1378, 187804), (1508, 171614), (1537, 168376), (1619, 159848), (2756, 93902), (3016, 85807), (3074, 84188), (3238, 79924), (5512, 46951), (6148, 42094), (6476, 39962), (12296, 21047), (12952, 19981)]