248508390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637201}}^1$

素因数の和:637224

約数の個数: 32

約数和(自身を含む): 642299616

約数和(自身を除く): 393791226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 637201, 1274402, 1911603, 3186005, 3823206, 6372010, 8283613, 9558015, 16567226, 19116030, 24850839, 41418065, 49701678, 82836130, 124254195, 248508390]

約数ペア:

[(1, 248508390), (2, 124254195), (3, 82836130), (5, 49701678), (6, 41418065), (10, 24850839), (13, 19116030), (15, 16567226), (26, 9558015), (30, 8283613), (39, 6372010), (65, 3823206), (78, 3186005), (130, 1911603), (195, 1274402), (390, 637201)]