654708590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1223}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 1294424064

約数和(自身を除く): 639715474

約数列:

[1, 2, 5, 10, 17, 34, 47, 67, 85, 94, 134, 170, 235, 335, 470, 670, 799, 1139, 1223, 1598, 2278, 2446, 3149, 3995, 5695, 6115, 6298, 7990, 11390, 12230, 15745, 20791, 31490, 41582, 53533, 57481, 81941, 103955, 107066, 114962, 163882, 207910, 267665, 287405, 409705, 535330, 574810, 819410, 977177, 1392997, 1954354, 2785994, 3851227, 4885885, 6964985, 7702454, 9771770, 13929970, 19256135, 38512270, 65470859, 130941718, 327354295, 654708590]

約数ペア:

[(1, 654708590), (2, 327354295), (5, 130941718), (10, 65470859), (17, 38512270), (34, 19256135), (47, 13929970), (67, 9771770), (85, 7702454), (94, 6964985), (134, 4885885), (170, 3851227), (235, 2785994), (335, 1954354), (470, 1392997), (670, 977177), (799, 819410), (1139, 574810), (1223, 535330), (1598, 409705), (2278, 287405), (2446, 267665), (3149, 207910), (3995, 163882), (5695, 114962), (6115, 107066), (6298, 103955), (7990, 81941), (11390, 57481), (12230, 53533), (15745, 41582), (20791, 31490)]