199809384

素因数分解:

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

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 518062080

約数和(自身を除く): 318252696

約数列:

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

約数ペア:

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