248381604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1721}}^1$

素因数の和:1961

約数の個数: 72

約数和(自身を含む): 664416480

約数和(自身を除く): 416034876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 211, 228, 342, 422, 633, 684, 844, 1266, 1721, 1899, 2532, 3442, 3798, 4009, 5163, 6884, 7596, 8018, 10326, 12027, 15489, 16036, 20652, 24054, 30978, 32699, 36081, 48108, 61956, 65398, 72162, 98097, 130796, 144324, 196194, 294291, 363131, 392388, 588582, 726262, 1089393, 1177164, 1452524, 2178786, 3268179, 4357572, 6536358, 6899489, 13072716, 13798978, 20698467, 27597956, 41396934, 62095401, 82793868, 124190802, 248381604]

約数ペア:

[(1, 248381604), (2, 124190802), (3, 82793868), (4, 62095401), (6, 41396934), (9, 27597956), (12, 20698467), (18, 13798978), (19, 13072716), (36, 6899489), (38, 6536358), (57, 4357572), (76, 3268179), (114, 2178786), (171, 1452524), (211, 1177164), (228, 1089393), (342, 726262), (422, 588582), (633, 392388), (684, 363131), (844, 294291), (1266, 196194), (1721, 144324), (1899, 130796), (2532, 98097), (3442, 72162), (3798, 65398), (4009, 61956), (5163, 48108), (6884, 36081), (7596, 32699), (8018, 30978), (10326, 24054), (12027, 20652), (15489, 16036)]