71631950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{571}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 144480336

約数和(自身を除く): 72848386

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 193, 325, 386, 571, 650, 965, 1142, 1930, 2509, 2855, 4825, 5018, 5710, 7423, 9650, 12545, 14275, 14846, 25090, 28550, 37115, 62725, 74230, 110203, 125450, 185575, 220406, 371150, 551015, 1102030, 1432639, 2755075, 2865278, 5510150, 7163195, 14326390, 35815975, 71631950]

約数ペア:

[(1, 71631950), (2, 35815975), (5, 14326390), (10, 7163195), (13, 5510150), (25, 2865278), (26, 2755075), (50, 1432639), (65, 1102030), (130, 551015), (193, 371150), (325, 220406), (386, 185575), (571, 125450), (650, 110203), (965, 74230), (1142, 62725), (1930, 37115), (2509, 28550), (2855, 25090), (4825, 14846), (5018, 14275), (5710, 12545), (7423, 9650)]