31325730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 80248320

約数和(自身を除く): 48922590

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 239, 255, 257, 478, 510, 514, 717, 771, 1195, 1285, 1434, 1542, 2390, 2570, 3585, 3855, 4063, 4369, 7170, 7710, 8126, 8738, 12189, 13107, 20315, 21845, 24378, 26214, 40630, 43690, 60945, 61423, 65535, 121890, 122846, 131070, 184269, 307115, 368538, 614230, 921345, 1044191, 1842690, 2088382, 3132573, 5220955, 6265146, 10441910, 15662865, 31325730]

約数ペア:

[(1, 31325730), (2, 15662865), (3, 10441910), (5, 6265146), (6, 5220955), (10, 3132573), (15, 2088382), (17, 1842690), (30, 1044191), (34, 921345), (51, 614230), (85, 368538), (102, 307115), (170, 184269), (239, 131070), (255, 122846), (257, 121890), (478, 65535), (510, 61423), (514, 60945), (717, 43690), (771, 40630), (1195, 26214), (1285, 24378), (1434, 21845), (1542, 20315), (2390, 13107), (2570, 12189), (3585, 8738), (3855, 8126), (4063, 7710), (4369, 7170)]