399618768

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{991}}^1$

素因数の和:1304

約数の個数: 80

約数和(自身を含む): 1070661632

約数和(自身を除く): 671042864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 271, 372, 496, 542, 744, 813, 991, 1084, 1488, 1626, 1982, 2168, 2973, 3252, 3964, 4336, 5946, 6504, 7928, 8401, 11892, 13008, 15856, 16802, 23784, 25203, 30721, 33604, 47568, 50406, 61442, 67208, 92163, 100812, 122884, 134416, 184326, 201624, 245768, 268561, 368652, 403248, 491536, 537122, 737304, 805683, 1074244, 1474608, 1611366, 2148488, 3222732, 4296976, 6445464, 8325391, 12890928, 16650782, 24976173, 33301564, 49952346, 66603128, 99904692, 133206256, 199809384, 399618768]

約数ペア:

[(1, 399618768), (2, 199809384), (3, 133206256), (4, 99904692), (6, 66603128), (8, 49952346), (12, 33301564), (16, 24976173), (24, 16650782), (31, 12890928), (48, 8325391), (62, 6445464), (93, 4296976), (124, 3222732), (186, 2148488), (248, 1611366), (271, 1474608), (372, 1074244), (496, 805683), (542, 737304), (744, 537122), (813, 491536), (991, 403248), (1084, 368652), (1488, 268561), (1626, 245768), (1982, 201624), (2168, 184326), (2973, 134416), (3252, 122884), (3964, 100812), (4336, 92163), (5946, 67208), (6504, 61442), (7928, 50406), (8401, 47568), (11892, 33604), (13008, 30721), (15856, 25203), (16802, 23784)]