398183716

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1\times {\mathrm{727}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 824492032

約数和(自身を除く): 426308316

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 631, 727, 868, 1262, 1454, 2524, 2908, 4417, 5089, 8834, 10178, 17668, 19561, 20356, 22537, 39122, 45074, 78244, 90148, 136927, 157759, 273854, 315518, 458737, 547708, 631036, 917474, 1834948, 3211159, 6422318, 12844636, 14220847, 28441694, 56883388, 99545929, 199091858, 398183716]

約数ペア:

[(1, 398183716), (2, 199091858), (4, 99545929), (7, 56883388), (14, 28441694), (28, 14220847), (31, 12844636), (62, 6422318), (124, 3211159), (217, 1834948), (434, 917474), (631, 631036), (727, 547708), (868, 458737), (1262, 315518), (1454, 273854), (2524, 157759), (2908, 136927), (4417, 90148), (5089, 78244), (8834, 45074), (10178, 39122), (17668, 22537), (19561, 20356)]