398502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:165

約数の個数: 36

約数和(自身を含む): 942084

約数和(自身を除く): 543582

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 131, 169, 234, 262, 338, 393, 507, 786, 1014, 1179, 1521, 1703, 2358, 3042, 3406, 5109, 10218, 15327, 22139, 30654, 44278, 66417, 132834, 199251, 398502]

約数ペア:

[(1, 398502), (2, 199251), (3, 132834), (6, 66417), (9, 44278), (13, 30654), (18, 22139), (26, 15327), (39, 10218), (78, 5109), (117, 3406), (131, 3042), (169, 2358), (234, 1703), (262, 1521), (338, 1179), (393, 1014), (507, 786)]