640736766

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{51071}}^1$

素因数の和:51137

約数の個数: 48

約数和(自身を含む): 1505806848

約数和(自身を除く): 865070082

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 41, 51, 82, 102, 123, 153, 246, 306, 369, 697, 738, 1394, 2091, 4182, 6273, 12546, 51071, 102142, 153213, 306426, 459639, 868207, 919278, 1736414, 2093911, 2604621, 4187822, 5209242, 6281733, 7813863, 12563466, 15627726, 18845199, 35596487, 37690398, 71192974, 106789461, 213578922, 320368383, 640736766]

約数ペア:

[(1, 640736766), (2, 320368383), (3, 213578922), (6, 106789461), (9, 71192974), (17, 37690398), (18, 35596487), (34, 18845199), (41, 15627726), (51, 12563466), (82, 7813863), (102, 6281733), (123, 5209242), (153, 4187822), (246, 2604621), (306, 2093911), (369, 1736414), (697, 919278), (738, 868207), (1394, 459639), (2091, 306426), (4182, 153213), (6273, 102142), (12546, 51071)]