16678889390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{387071}}^1$

素因数の和:387248

約数の個数: 32

約数和(自身を含む): 31213486080

約数和(自身を除く): 14534596690

約数列:

[1, 2, 5, 10, 31, 62, 139, 155, 278, 310, 695, 1390, 4309, 8618, 21545, 43090, 387071, 774142, 1935355, 3870710, 11999201, 23998402, 53802869, 59996005, 107605738, 119992010, 269014345, 538028690, 1667888939, 3335777878, 8339444695, 16678889390]

約数ペア:

[(1, 16678889390), (2, 8339444695), (5, 3335777878), (10, 1667888939), (31, 538028690), (62, 269014345), (139, 119992010), (155, 107605738), (278, 59996005), (310, 53802869), (695, 23998402), (1390, 11999201), (4309, 3870710), (8618, 1935355), (21545, 774142), (43090, 387071)]