721183216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1187}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 1583898624

約数和(自身を除く): 862715408

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 127, 184, 208, 254, 299, 368, 508, 598, 1016, 1187, 1196, 1651, 2032, 2374, 2392, 2921, 3302, 4748, 4784, 5842, 6604, 9496, 11684, 13208, 15431, 18992, 23368, 26416, 27301, 30862, 37973, 46736, 54602, 61724, 75946, 109204, 123448, 150749, 151892, 218408, 246896, 301498, 303784, 354913, 436816, 602996, 607568, 709826, 1205992, 1419652, 1959737, 2411984, 2839304, 3467227, 3919474, 5678608, 6934454, 7838948, 13868908, 15677896, 27737816, 31355792, 45073951, 55475632, 90147902, 180295804, 360591608, 721183216]

約数ペア:

[(1, 721183216), (2, 360591608), (4, 180295804), (8, 90147902), (13, 55475632), (16, 45073951), (23, 31355792), (26, 27737816), (46, 15677896), (52, 13868908), (92, 7838948), (104, 6934454), (127, 5678608), (184, 3919474), (208, 3467227), (254, 2839304), (299, 2411984), (368, 1959737), (508, 1419652), (598, 1205992), (1016, 709826), (1187, 607568), (1196, 602996), (1651, 436816), (2032, 354913), (2374, 303784), (2392, 301498), (2921, 246896), (3302, 218408), (4748, 151892), (4784, 150749), (5842, 123448), (6604, 109204), (9496, 75946), (11684, 61724), (13208, 54602), (15431, 46736), (18992, 37973), (23368, 30862), (26416, 27301)]