248835248

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{997}}^1$

素因数の和:1845

約数の個数: 40

約数和(自身を含む): 508620720

約数和(自身を除く): 259785472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 821, 997, 1642, 1994, 3284, 3988, 6568, 7976, 13136, 15599, 15952, 18943, 31198, 37886, 62396, 75772, 124792, 151544, 249584, 303088, 818537, 1637074, 3274148, 6548296, 13096592, 15552203, 31104406, 62208812, 124417624, 248835248]

約数ペア:

[(1, 248835248), (2, 124417624), (4, 62208812), (8, 31104406), (16, 15552203), (19, 13096592), (38, 6548296), (76, 3274148), (152, 1637074), (304, 818537), (821, 303088), (997, 249584), (1642, 151544), (1994, 124792), (3284, 75772), (3988, 62396), (6568, 37886), (7976, 31198), (13136, 18943), (15599, 15952)]