402486344

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{349}}^1\times {\mathrm{853}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 820480500

約数和(自身を除く): 417994156

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 349, 676, 698, 853, 1352, 1396, 1706, 2792, 3412, 4537, 6824, 9074, 11089, 18148, 22178, 36296, 44356, 58981, 88712, 117962, 144157, 235924, 288314, 297697, 471848, 576628, 595394, 1153256, 1190788, 2381576, 3870061, 7740122, 15480244, 30960488, 50310793, 100621586, 201243172, 402486344]

約数ペア:

[(1, 402486344), (2, 201243172), (4, 100621586), (8, 50310793), (13, 30960488), (26, 15480244), (52, 7740122), (104, 3870061), (169, 2381576), (338, 1190788), (349, 1153256), (676, 595394), (698, 576628), (853, 471848), (1352, 297697), (1396, 288314), (1706, 235924), (2792, 144157), (3412, 117962), (4537, 88712), (6824, 58981), (9074, 44356), (11089, 36296), (18148, 22178)]