721335108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1583}}^1$

素因数の和:1753

約数の個数: 96

約数和(自身を含む): 1907490816

約数和(自身を除く): 1186155708

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 127, 138, 156, 254, 276, 299, 381, 508, 598, 762, 897, 1196, 1524, 1583, 1651, 1794, 2921, 3166, 3302, 3588, 4749, 4953, 5842, 6332, 6604, 8763, 9498, 9906, 11684, 17526, 18996, 19812, 20579, 35052, 36409, 37973, 41158, 61737, 72818, 75946, 82316, 109227, 113919, 123474, 145636, 151892, 201041, 218454, 227838, 246948, 402082, 436908, 455676, 473317, 603123, 804164, 946634, 1206246, 1419951, 1893268, 2412492, 2613533, 2839902, 4623943, 5227066, 5679804, 7840599, 9247886, 10454132, 13871829, 15681198, 18495772, 27743658, 31362396, 55487316, 60111259, 120222518, 180333777, 240445036, 360667554, 721335108]

約数ペア:

[(1, 721335108), (2, 360667554), (3, 240445036), (4, 180333777), (6, 120222518), (12, 60111259), (13, 55487316), (23, 31362396), (26, 27743658), (39, 18495772), (46, 15681198), (52, 13871829), (69, 10454132), (78, 9247886), (92, 7840599), (127, 5679804), (138, 5227066), (156, 4623943), (254, 2839902), (276, 2613533), (299, 2412492), (381, 1893268), (508, 1419951), (598, 1206246), (762, 946634), (897, 804164), (1196, 603123), (1524, 473317), (1583, 455676), (1651, 436908), (1794, 402082), (2921, 246948), (3166, 227838), (3302, 218454), (3588, 201041), (4749, 151892), (4953, 145636), (5842, 123474), (6332, 113919), (6604, 109227), (8763, 82316), (9498, 75946), (9906, 72818), (11684, 61737), (17526, 41158), (18996, 37973), (19812, 36409), (20579, 35052)]