781809648

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{661}}^1$

素因数の和:1314

約数の個数: 80

約数和(自身を含む): 2075512992

約数和(自身を除く): 1293703344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 601, 656, 661, 984, 1202, 1322, 1803, 1968, 1983, 2404, 2644, 3606, 3966, 4808, 5288, 7212, 7932, 9616, 10576, 14424, 15864, 24641, 27101, 28848, 31728, 49282, 54202, 73923, 81303, 98564, 108404, 147846, 162606, 197128, 216808, 295692, 325212, 394256, 397261, 433616, 591384, 650424, 794522, 1182768, 1191783, 1300848, 1589044, 2383566, 3178088, 4767132, 6356176, 9534264, 16287701, 19068528, 32575402, 48863103, 65150804, 97726206, 130301608, 195452412, 260603216, 390904824, 781809648]

約数ペア:

[(1, 781809648), (2, 390904824), (3, 260603216), (4, 195452412), (6, 130301608), (8, 97726206), (12, 65150804), (16, 48863103), (24, 32575402), (41, 19068528), (48, 16287701), (82, 9534264), (123, 6356176), (164, 4767132), (246, 3178088), (328, 2383566), (492, 1589044), (601, 1300848), (656, 1191783), (661, 1182768), (984, 794522), (1202, 650424), (1322, 591384), (1803, 433616), (1968, 397261), (1983, 394256), (2404, 325212), (2644, 295692), (3606, 216808), (3966, 197128), (4808, 162606), (5288, 147846), (7212, 108404), (7932, 98564), (9616, 81303), (10576, 73923), (14424, 54202), (15864, 49282), (24641, 31728), (27101, 28848)]