771785672

素因数分解:

$2^3\times 7^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 128

約数和(自身を含む): 1790976000

約数和(自身を除く): 1019190328

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 43, 49, 56, 62, 86, 98, 124, 172, 196, 211, 217, 248, 301, 343, 344, 392, 422, 434, 602, 686, 844, 868, 1204, 1333, 1372, 1477, 1519, 1688, 1736, 2107, 2408, 2666, 2744, 2954, 3038, 4214, 5332, 5908, 6076, 6541, 8428, 9073, 9331, 10339, 10633, 10664, 11816, 12152, 13082, 14749, 16856, 18146, 18662, 20678, 21266, 26164, 29498, 36292, 37324, 41356, 42532, 45787, 52328, 58996, 63511, 65317, 72373, 72584, 74648, 82712, 85064, 91574, 117992, 127022, 130634, 144746, 183148, 254044, 261268, 281263, 289492, 320509, 366296, 444577, 457219, 508088, 522536, 562526, 578984, 641018, 889154, 914438, 1125052, 1282036, 1778308, 1828876, 1968841, 2243563, 2250104, 2564072, 3112039, 3556616, 3657752, 3937682, 4487126, 6224078, 7875364, 8974252, 12448156, 13781887, 15750728, 17948504, 24896312, 27563774, 55127548, 96473209, 110255096, 192946418, 385892836, 771785672]

約数ペア:

[(1, 771785672), (2, 385892836), (4, 192946418), (7, 110255096), (8, 96473209), (14, 55127548), (28, 27563774), (31, 24896312), (43, 17948504), (49, 15750728), (56, 13781887), (62, 12448156), (86, 8974252), (98, 7875364), (124, 6224078), (172, 4487126), (196, 3937682), (211, 3657752), (217, 3556616), (248, 3112039), (301, 2564072), (343, 2250104), (344, 2243563), (392, 1968841), (422, 1828876), (434, 1778308), (602, 1282036), (686, 1125052), (844, 914438), (868, 889154), (1204, 641018), (1333, 578984), (1372, 562526), (1477, 522536), (1519, 508088), (1688, 457219), (1736, 444577), (2107, 366296), (2408, 320509), (2666, 289492), (2744, 281263), (2954, 261268), (3038, 254044), (4214, 183148), (5332, 144746), (5908, 130634), (6076, 127022), (6541, 117992), (8428, 91574), (9073, 85064), (9331, 82712), (10339, 74648), (10633, 72584), (10664, 72373), (11816, 65317), (12152, 63511), (13082, 58996), (14749, 52328), (16856, 45787), (18146, 42532), (18662, 41356), (20678, 37324), (21266, 36292), (26164, 29498)]