78291460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17713}}^1$

素因数の和:17752

約数の個数: 48

約数和(自身を含む): 187484976

約数和(自身を除く): 109193516

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 17713, 35426, 70852, 88565, 177130, 230269, 301121, 354260, 460538, 602242, 921076, 1151345, 1204484, 1505605, 2302690, 3011210, 3914573, 4605380, 6022420, 7829146, 15658292, 19572865, 39145730, 78291460]

約数ペア:

[(1, 78291460), (2, 39145730), (4, 19572865), (5, 15658292), (10, 7829146), (13, 6022420), (17, 4605380), (20, 3914573), (26, 3011210), (34, 2302690), (52, 1505605), (65, 1204484), (68, 1151345), (85, 921076), (130, 602242), (170, 460538), (221, 354260), (260, 301121), (340, 230269), (442, 177130), (884, 88565), (1105, 70852), (2210, 35426), (4420, 17713)]