889969948

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2063}}^1$

素因数の和:2183

約数の個数: 72

約数和(自身を含む): 1897426944

約数和(自身を除く): 1007456996

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 71, 98, 124, 142, 196, 217, 284, 434, 497, 868, 994, 1519, 1988, 2063, 2201, 3038, 3479, 4126, 4402, 6076, 6958, 8252, 8804, 13916, 14441, 15407, 28882, 30814, 57764, 61628, 63953, 101087, 107849, 127906, 146473, 202174, 215698, 255812, 292946, 404348, 431396, 447671, 585892, 895342, 1025311, 1790684, 2050622, 3133697, 4101244, 4540663, 6267394, 7177177, 9081326, 12534788, 14354354, 18162652, 28708708, 31784641, 63569282, 127138564, 222492487, 444984974, 889969948]

約数ペア:

[(1, 889969948), (2, 444984974), (4, 222492487), (7, 127138564), (14, 63569282), (28, 31784641), (31, 28708708), (49, 18162652), (62, 14354354), (71, 12534788), (98, 9081326), (124, 7177177), (142, 6267394), (196, 4540663), (217, 4101244), (284, 3133697), (434, 2050622), (497, 1790684), (868, 1025311), (994, 895342), (1519, 585892), (1988, 447671), (2063, 431396), (2201, 404348), (3038, 292946), (3479, 255812), (4126, 215698), (4402, 202174), (6076, 146473), (6958, 127906), (8252, 107849), (8804, 101087), (13916, 63953), (14441, 61628), (15407, 57764), (28882, 30814)]