331520390

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{11003}}^1$

素因数の和:11164

約数の個数: 32

約数和(自身を含む): 627492096

約数和(自身を除く): 295971706

約数列:

[1, 2, 5, 10, 23, 46, 115, 131, 230, 262, 655, 1310, 3013, 6026, 11003, 15065, 22006, 30130, 55015, 110030, 253069, 506138, 1265345, 1441393, 2530690, 2882786, 7206965, 14413930, 33152039, 66304078, 165760195, 331520390]

約数ペア:

[(1, 331520390), (2, 165760195), (5, 66304078), (10, 33152039), (23, 14413930), (46, 7206965), (115, 2882786), (131, 2530690), (230, 1441393), (262, 1265345), (655, 506138), (1310, 253069), (3013, 110030), (6026, 55015), (11003, 30130), (15065, 22006)]