1817996908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2123

約数の個数: 96

約数和(自身を含む): 4078988928

約数和(自身を除く): 2260992020

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 61, 82, 91, 122, 164, 182, 244, 287, 364, 427, 533, 574, 793, 854, 1066, 1148, 1586, 1708, 1997, 2132, 2501, 3172, 3731, 3994, 5002, 5551, 7462, 7988, 10004, 11102, 13979, 14924, 17507, 22204, 25961, 27958, 32513, 35014, 51922, 55916, 65026, 70028, 81877, 103844, 121817, 130052, 163754, 181727, 227591, 243634, 327508, 363454, 455182, 487268, 573139, 726908, 852719, 910364, 1064401, 1146278, 1583621, 1705438, 2128802, 2292556, 3167242, 3410876, 4257604, 4994497, 6334484, 7450807, 9988994, 11085347, 14901614, 19977988, 22170694, 29803228, 34961479, 44341388, 64928461, 69922958, 129856922, 139845916, 259713844, 454499227, 908998454, 1817996908]

約数ペア:

[(1, 1817996908), (2, 908998454), (4, 454499227), (7, 259713844), (13, 139845916), (14, 129856922), (26, 69922958), (28, 64928461), (41, 44341388), (52, 34961479), (61, 29803228), (82, 22170694), (91, 19977988), (122, 14901614), (164, 11085347), (182, 9988994), (244, 7450807), (287, 6334484), (364, 4994497), (427, 4257604), (533, 3410876), (574, 3167242), (793, 2292556), (854, 2128802), (1066, 1705438), (1148, 1583621), (1586, 1146278), (1708, 1064401), (1997, 910364), (2132, 852719), (2501, 726908), (3172, 573139), (3731, 487268), (3994, 455182), (5002, 363454), (5551, 327508), (7462, 243634), (7988, 227591), (10004, 181727), (11102, 163754), (13979, 130052), (14924, 121817), (17507, 103844), (22204, 81877), (25961, 70028), (27958, 65026), (32513, 55916), (35014, 51922)]