279915678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71663}}^1$

素因数の和:71709

約数の個数: 48

約数和(自身を含む): 715493376

約数和(自身を除く): 435577698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 71663, 143326, 214989, 429978, 501641, 644967, 1003282, 1289934, 1504923, 2221553, 3009846, 4443106, 4514769, 6664659, 9029538, 13329318, 15550871, 19993977, 31101742, 39987954, 46652613, 93305226, 139957839, 279915678]

約数ペア:

[(1, 279915678), (2, 139957839), (3, 93305226), (6, 46652613), (7, 39987954), (9, 31101742), (14, 19993977), (18, 15550871), (21, 13329318), (31, 9029538), (42, 6664659), (62, 4514769), (63, 4443106), (93, 3009846), (126, 2221553), (186, 1504923), (217, 1289934), (279, 1003282), (434, 644967), (558, 501641), (651, 429978), (1302, 214989), (1953, 143326), (3906, 71663)]