520997204

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2801}}^1$

素因数の和:2905

約数の個数: 72

約数和(自身を含む): 1158245928

約数和(自身を除く): 637248724

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 73, 91, 98, 146, 182, 196, 292, 364, 511, 637, 949, 1022, 1274, 1898, 2044, 2548, 2801, 3577, 3796, 5602, 6643, 7154, 11204, 13286, 14308, 19607, 26572, 36413, 39214, 46501, 72826, 78428, 93002, 137249, 145652, 186004, 204473, 254891, 274498, 408946, 509782, 548996, 817892, 1019564, 1431311, 1784237, 2658149, 2862622, 3568474, 5316298, 5725244, 7136948, 10019177, 10632596, 18607043, 20038354, 37214086, 40076708, 74428172, 130249301, 260498602, 520997204]

約数ペア:

[(1, 520997204), (2, 260498602), (4, 130249301), (7, 74428172), (13, 40076708), (14, 37214086), (26, 20038354), (28, 18607043), (49, 10632596), (52, 10019177), (73, 7136948), (91, 5725244), (98, 5316298), (146, 3568474), (182, 2862622), (196, 2658149), (292, 1784237), (364, 1431311), (511, 1019564), (637, 817892), (949, 548996), (1022, 509782), (1274, 408946), (1898, 274498), (2044, 254891), (2548, 204473), (2801, 186004), (3577, 145652), (3796, 137249), (5602, 93002), (6643, 78428), (7154, 72826), (11204, 46501), (13286, 39214), (14308, 36413), (19607, 26572)]