863168540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{487}}^1$

素因数の和:927

約数の個数: 96

約数和(自身を含む): 2076326784

約数和(自身を除く): 1213158244

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 401, 442, 487, 802, 884, 974, 1105, 1604, 1948, 2005, 2210, 2435, 4010, 4420, 4870, 5213, 6331, 6817, 8020, 8279, 9740, 10426, 12662, 13634, 16558, 20852, 25324, 26065, 27268, 31655, 33116, 34085, 41395, 52130, 63310, 68170, 82790, 88621, 104260, 107627, 126620, 136340, 165580, 177242, 195287, 215254, 354484, 390574, 430508, 443105, 538135, 781148, 886210, 976435, 1076270, 1772420, 1952870, 2152540, 2538731, 3319879, 3905740, 5077462, 6639758, 10154924, 12693655, 13279516, 16599395, 25387310, 33198790, 43158427, 50774620, 66397580, 86316854, 172633708, 215792135, 431584270, 863168540]

約数ペア:

[(1, 863168540), (2, 431584270), (4, 215792135), (5, 172633708), (10, 86316854), (13, 66397580), (17, 50774620), (20, 43158427), (26, 33198790), (34, 25387310), (52, 16599395), (65, 13279516), (68, 12693655), (85, 10154924), (130, 6639758), (170, 5077462), (221, 3905740), (260, 3319879), (340, 2538731), (401, 2152540), (442, 1952870), (487, 1772420), (802, 1076270), (884, 976435), (974, 886210), (1105, 781148), (1604, 538135), (1948, 443105), (2005, 430508), (2210, 390574), (2435, 354484), (4010, 215254), (4420, 195287), (4870, 177242), (5213, 165580), (6331, 136340), (6817, 126620), (8020, 107627), (8279, 104260), (9740, 88621), (10426, 82790), (12662, 68170), (13634, 63310), (16558, 52130), (20852, 41395), (25324, 34085), (26065, 33116), (27268, 31655)]