1387552208

素因数分解:

$2^4\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:665

約数の個数: 120

約数和(自身を含む): 3246756480

約数和(自身を除く): 1859204272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 79, 86, 98, 112, 158, 172, 196, 301, 316, 344, 392, 521, 553, 602, 632, 688, 784, 1042, 1106, 1204, 1264, 2084, 2107, 2212, 2408, 3397, 3647, 3871, 4168, 4214, 4424, 4816, 6794, 7294, 7742, 8336, 8428, 8848, 13588, 14588, 15484, 16856, 22403, 23779, 25529, 27176, 29176, 30968, 33712, 41159, 44806, 47558, 51058, 54352, 58352, 61936, 82318, 89612, 95116, 102116, 156821, 164636, 166453, 179224, 190232, 204232, 288113, 313642, 329272, 332906, 358448, 380464, 408464, 576226, 627284, 658544, 665812, 1097747, 1152452, 1254568, 1331624, 1769837, 2016791, 2195494, 2304904, 2509136, 2663248, 3539674, 4033582, 4390988, 4609808, 7079348, 8067164, 8781976, 12388859, 14158696, 16134328, 17563952, 24777718, 28317392, 32268656, 49555436, 86722013, 99110872, 173444026, 198221744, 346888052, 693776104, 1387552208]

約数ペア:

[(1, 1387552208), (2, 693776104), (4, 346888052), (7, 198221744), (8, 173444026), (14, 99110872), (16, 86722013), (28, 49555436), (43, 32268656), (49, 28317392), (56, 24777718), (79, 17563952), (86, 16134328), (98, 14158696), (112, 12388859), (158, 8781976), (172, 8067164), (196, 7079348), (301, 4609808), (316, 4390988), (344, 4033582), (392, 3539674), (521, 2663248), (553, 2509136), (602, 2304904), (632, 2195494), (688, 2016791), (784, 1769837), (1042, 1331624), (1106, 1254568), (1204, 1152452), (1264, 1097747), (2084, 665812), (2107, 658544), (2212, 627284), (2408, 576226), (3397, 408464), (3647, 380464), (3871, 358448), (4168, 332906), (4214, 329272), (4424, 313642), (4816, 288113), (6794, 204232), (7294, 190232), (7742, 179224), (8336, 166453), (8428, 164636), (8848, 156821), (13588, 102116), (14588, 95116), (15484, 89612), (16856, 82318), (22403, 61936), (23779, 58352), (25529, 54352), (27176, 51058), (29176, 47558), (30968, 44806), (33712, 41159)]