668979584

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 128

約数和(自身を含む): 1663334400

約数和(自身を除く): 994354816

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 79, 91, 104, 112, 128, 158, 182, 208, 224, 316, 364, 416, 448, 553, 632, 727, 728, 832, 896, 1027, 1106, 1264, 1454, 1456, 1664, 2054, 2212, 2528, 2908, 2912, 4108, 4424, 5056, 5089, 5816, 5824, 7189, 8216, 8848, 9451, 10112, 10178, 11632, 11648, 14378, 16432, 17696, 18902, 20356, 23264, 28756, 32864, 35392, 37804, 40712, 46528, 57433, 57512, 65728, 66157, 70784, 75608, 81424, 93056, 114866, 115024, 131456, 132314, 151216, 162848, 229732, 230048, 264628, 302432, 325696, 402031, 459464, 460096, 529256, 604864, 651392, 746629, 804062, 918928, 920192, 1058512, 1209728, 1493258, 1608124, 1837856, 2117024, 2986516, 3216248, 3675712, 4234048, 5226403, 5973032, 6432496, 7351424, 8468096, 10452806, 11946064, 12864992, 20905612, 23892128, 25729984, 41811224, 47784256, 51459968, 83622448, 95568512, 167244896, 334489792, 668979584]

約数ペア:

[(1, 668979584), (2, 334489792), (4, 167244896), (7, 95568512), (8, 83622448), (13, 51459968), (14, 47784256), (16, 41811224), (26, 25729984), (28, 23892128), (32, 20905612), (52, 12864992), (56, 11946064), (64, 10452806), (79, 8468096), (91, 7351424), (104, 6432496), (112, 5973032), (128, 5226403), (158, 4234048), (182, 3675712), (208, 3216248), (224, 2986516), (316, 2117024), (364, 1837856), (416, 1608124), (448, 1493258), (553, 1209728), (632, 1058512), (727, 920192), (728, 918928), (832, 804062), (896, 746629), (1027, 651392), (1106, 604864), (1264, 529256), (1454, 460096), (1456, 459464), (1664, 402031), (2054, 325696), (2212, 302432), (2528, 264628), (2908, 230048), (2912, 229732), (4108, 162848), (4424, 151216), (5056, 132314), (5089, 131456), (5816, 115024), (5824, 114866), (7189, 93056), (8216, 81424), (8848, 75608), (9451, 70784), (10112, 66157), (10178, 65728), (11632, 57512), (11648, 57433), (14378, 46528), (16432, 40712), (17696, 37804), (18902, 35392), (20356, 32864), (23264, 28756)]