247045695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 452390400

約数和(自身を除く): 205344705

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 131, 195, 247, 285, 393, 509, 655, 741, 1235, 1527, 1703, 1965, 2489, 2545, 3705, 5109, 6617, 7467, 7635, 8515, 9671, 12445, 19851, 25545, 29013, 32357, 33085, 37335, 48355, 66679, 97071, 99255, 125723, 145065, 161785, 200037, 333395, 377169, 485355, 628615, 866827, 1000185, 1266901, 1885845, 2600481, 3800703, 4334135, 6334505, 13002405, 16469713, 19003515, 49409139, 82348565, 247045695]

約数ペア:

[(1, 247045695), (3, 82348565), (5, 49409139), (13, 19003515), (15, 16469713), (19, 13002405), (39, 6334505), (57, 4334135), (65, 3800703), (95, 2600481), (131, 1885845), (195, 1266901), (247, 1000185), (285, 866827), (393, 628615), (509, 485355), (655, 377169), (741, 333395), (1235, 200037), (1527, 161785), (1703, 145065), (1965, 125723), (2489, 99255), (2545, 97071), (3705, 66679), (5109, 48355), (6617, 37335), (7467, 33085), (7635, 32357), (8515, 29013), (9671, 25545), (12445, 19851)]