64441390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2293

約数の個数: 48

約数和(自身を含む): 133051248

約数和(自身を除く): 68609858

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2243, 2873, 4486, 5746, 11215, 14365, 22430, 28730, 29159, 38131, 58318, 76262, 145795, 190655, 291590, 379067, 381310, 495703, 758134, 991406, 1895335, 2478515, 3790670, 4957030, 6444139, 12888278, 32220695, 64441390]

約数ペア:

[(1, 64441390), (2, 32220695), (5, 12888278), (10, 6444139), (13, 4957030), (17, 3790670), (26, 2478515), (34, 1895335), (65, 991406), (85, 758134), (130, 495703), (169, 381310), (170, 379067), (221, 291590), (338, 190655), (442, 145795), (845, 76262), (1105, 58318), (1690, 38131), (2210, 29159), (2243, 28730), (2873, 22430), (4486, 14365), (5746, 11215)]