208221312

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:870

約数の個数: 128

約数和(自身を含む): 607642560

約数和(自身を除く): 399421248

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 53, 64, 78, 96, 104, 106, 128, 156, 159, 192, 208, 212, 312, 318, 384, 416, 424, 624, 636, 689, 787, 832, 848, 1248, 1272, 1378, 1574, 1664, 1696, 2067, 2361, 2496, 2544, 2756, 3148, 3392, 4134, 4722, 4992, 5088, 5512, 6296, 6784, 8268, 9444, 10176, 10231, 11024, 12592, 16536, 18888, 20352, 20462, 22048, 25184, 30693, 33072, 37776, 40924, 41711, 44096, 50368, 61386, 66144, 75552, 81848, 83422, 88192, 100736, 122772, 125133, 132288, 151104, 163696, 166844, 245544, 250266, 264576, 302208, 327392, 333688, 491088, 500532, 542243, 654784, 667376, 982176, 1001064, 1084486, 1309568, 1334752, 1626729, 1964352, 2002128, 2168972, 2669504, 3253458, 3928704, 4004256, 4337944, 5339008, 6506916, 8008512, 8675888, 13013832, 16017024, 17351776, 26027664, 34703552, 52055328, 69407104, 104110656, 208221312]

約数ペア:

[(1, 208221312), (2, 104110656), (3, 69407104), (4, 52055328), (6, 34703552), (8, 26027664), (12, 17351776), (13, 16017024), (16, 13013832), (24, 8675888), (26, 8008512), (32, 6506916), (39, 5339008), (48, 4337944), (52, 4004256), (53, 3928704), (64, 3253458), (78, 2669504), (96, 2168972), (104, 2002128), (106, 1964352), (128, 1626729), (156, 1334752), (159, 1309568), (192, 1084486), (208, 1001064), (212, 982176), (312, 667376), (318, 654784), (384, 542243), (416, 500532), (424, 491088), (624, 333688), (636, 327392), (689, 302208), (787, 264576), (832, 250266), (848, 245544), (1248, 166844), (1272, 163696), (1378, 151104), (1574, 132288), (1664, 125133), (1696, 122772), (2067, 100736), (2361, 88192), (2496, 83422), (2544, 81848), (2756, 75552), (3148, 66144), (3392, 61386), (4134, 50368), (4722, 44096), (4992, 41711), (5088, 40924), (5512, 37776), (6296, 33072), (6784, 30693), (8268, 25184), (9444, 22048), (10176, 20462), (10231, 20352), (11024, 18888), (12592, 16536)]