78858416

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 80

約数和(自身を含む): 192779328

約数和(自身を除く): 113920912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 41, 52, 56, 82, 91, 104, 112, 164, 182, 208, 287, 328, 364, 533, 574, 656, 728, 1066, 1148, 1321, 1456, 2132, 2296, 2642, 3731, 4264, 4592, 5284, 7462, 8528, 9247, 10568, 14924, 17173, 18494, 21136, 29848, 34346, 36988, 54161, 59696, 68692, 73976, 108322, 120211, 137384, 147952, 216644, 240422, 274768, 379127, 433288, 480844, 704093, 758254, 866576, 961688, 1408186, 1516508, 1923376, 2816372, 3033016, 4928651, 5632744, 6066032, 9857302, 11265488, 19714604, 39429208, 78858416]

約数ペア:

[(1, 78858416), (2, 39429208), (4, 19714604), (7, 11265488), (8, 9857302), (13, 6066032), (14, 5632744), (16, 4928651), (26, 3033016), (28, 2816372), (41, 1923376), (52, 1516508), (56, 1408186), (82, 961688), (91, 866576), (104, 758254), (112, 704093), (164, 480844), (182, 433288), (208, 379127), (287, 274768), (328, 240422), (364, 216644), (533, 147952), (574, 137384), (656, 120211), (728, 108322), (1066, 73976), (1148, 68692), (1321, 59696), (1456, 54161), (2132, 36988), (2296, 34346), (2642, 29848), (3731, 21136), (4264, 18494), (4592, 17173), (5284, 14924), (7462, 10568), (8528, 9247)]