31371834

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:495

約数の個数: 64

約数和(自身を含む): 72938880

約数和(自身を除く): 41567046

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 59, 78, 102, 118, 177, 221, 354, 401, 442, 663, 767, 802, 1003, 1203, 1326, 1534, 2006, 2301, 2406, 3009, 4602, 5213, 6018, 6817, 10426, 13039, 13634, 15639, 20451, 23659, 26078, 31278, 39117, 40902, 47318, 70977, 78234, 88621, 141954, 177242, 265863, 307567, 402203, 531726, 615134, 804406, 922701, 1206609, 1845402, 2413218, 5228639, 10457278, 15685917, 31371834]

約数ペア:

[(1, 31371834), (2, 15685917), (3, 10457278), (6, 5228639), (13, 2413218), (17, 1845402), (26, 1206609), (34, 922701), (39, 804406), (51, 615134), (59, 531726), (78, 402203), (102, 307567), (118, 265863), (177, 177242), (221, 141954), (354, 88621), (401, 78234), (442, 70977), (663, 47318), (767, 40902), (802, 39117), (1003, 31278), (1203, 26078), (1326, 23659), (1534, 20451), (2006, 15639), (2301, 13634), (2406, 13039), (3009, 10426), (4602, 6817), (5213, 6018)]