217871864

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1747}}^1$

素因数の和:1908

約数の個数: 64

約数和(自身を含む): 498389760

約数和(自身を除く): 280517896

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 131, 136, 238, 262, 476, 524, 917, 952, 1048, 1747, 1834, 2227, 3494, 3668, 4454, 6988, 7336, 8908, 12229, 13976, 15589, 17816, 24458, 29699, 31178, 48916, 59398, 62356, 97832, 118796, 124712, 207893, 228857, 237592, 415786, 457714, 831572, 915428, 1601999, 1663144, 1830856, 3203998, 3890569, 6407996, 7781138, 12815992, 15562276, 27233983, 31124552, 54467966, 108935932, 217871864]

約数ペア:

[(1, 217871864), (2, 108935932), (4, 54467966), (7, 31124552), (8, 27233983), (14, 15562276), (17, 12815992), (28, 7781138), (34, 6407996), (56, 3890569), (68, 3203998), (119, 1830856), (131, 1663144), (136, 1601999), (238, 915428), (262, 831572), (476, 457714), (524, 415786), (917, 237592), (952, 228857), (1048, 207893), (1747, 124712), (1834, 118796), (2227, 97832), (3494, 62356), (3668, 59398), (4454, 48916), (6988, 31178), (7336, 29699), (8908, 24458), (12229, 17816), (13976, 15589)]