249542371

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 304335360

約数和(自身を除く): 54792989

約数列:

[1, 13, 17, 19, 67, 221, 247, 323, 871, 887, 1139, 1273, 4199, 11531, 14807, 15079, 16549, 16853, 21641, 59429, 196027, 219089, 281333, 286501, 772577, 1010293, 1129151, 3724513, 13133809, 14678963, 19195567, 249542371]

約数ペア:

[(1, 249542371), (13, 19195567), (17, 14678963), (19, 13133809), (67, 3724513), (221, 1129151), (247, 1010293), (323, 772577), (871, 286501), (887, 281333), (1139, 219089), (1273, 196027), (4199, 59429), (11531, 21641), (14807, 16853), (15079, 16549)]