645574965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 1204224000

約数和(自身を除く): 558649035

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 223, 237, 349, 395, 553, 669, 1047, 1115, 1185, 1561, 1659, 1745, 2443, 2765, 3345, 4683, 5235, 7329, 7805, 8295, 12215, 17617, 23415, 27571, 36645, 52851, 77827, 82713, 88085, 123319, 137855, 192997, 233481, 264255, 369957, 389135, 413565, 544789, 578991, 616595, 964985, 1167405, 1634367, 1849785, 2723945, 2894955, 6148333, 8171835, 18444999, 30741665, 43038331, 92224995, 129114993, 215191655, 645574965]

約数ペア:

[(1, 645574965), (3, 215191655), (5, 129114993), (7, 92224995), (15, 43038331), (21, 30741665), (35, 18444999), (79, 8171835), (105, 6148333), (223, 2894955), (237, 2723945), (349, 1849785), (395, 1634367), (553, 1167405), (669, 964985), (1047, 616595), (1115, 578991), (1185, 544789), (1561, 413565), (1659, 389135), (1745, 369957), (2443, 264255), (2765, 233481), (3345, 192997), (4683, 137855), (5235, 123319), (7329, 88085), (7805, 82713), (8295, 77827), (12215, 52851), (17617, 36645), (23415, 27571)]