90309128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6529}}^1$

素因数の和:6574

約数の個数: 64

約数和(自身を含む): 219408000

約数和(自身を除く): 129098872

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 6529, 6916, 13058, 13832, 26116, 45703, 52232, 84877, 91406, 124051, 169754, 182812, 248102, 339508, 365624, 496204, 594139, 679016, 868357, 992408, 1188278, 1612663, 1736714, 2376556, 3225326, 3473428, 4753112, 6450652, 6946856, 11288641, 12901304, 22577282, 45154564, 90309128]

約数ペア:

[(1, 90309128), (2, 45154564), (4, 22577282), (7, 12901304), (8, 11288641), (13, 6946856), (14, 6450652), (19, 4753112), (26, 3473428), (28, 3225326), (38, 2376556), (52, 1736714), (56, 1612663), (76, 1188278), (91, 992408), (104, 868357), (133, 679016), (152, 594139), (182, 496204), (247, 365624), (266, 339508), (364, 248102), (494, 182812), (532, 169754), (728, 124051), (988, 91406), (1064, 84877), (1729, 52232), (1976, 45703), (3458, 26116), (6529, 13832), (6916, 13058)]