395349416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2047

約数の個数: 128

約数和(自身を含む): 1030579200

約数和(自身を除く): 635229784

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 19, 22, 28, 34, 38, 44, 56, 68, 76, 77, 88, 119, 133, 136, 152, 154, 187, 209, 238, 266, 308, 323, 374, 418, 476, 532, 616, 646, 748, 836, 952, 1064, 1292, 1309, 1463, 1496, 1672, 1987, 2261, 2584, 2618, 2926, 3553, 3974, 4522, 5236, 5852, 7106, 7948, 9044, 10472, 11704, 13909, 14212, 15896, 18088, 21857, 24871, 27818, 28424, 33779, 37753, 43714, 49742, 55636, 67558, 75506, 87428, 99484, 111272, 135116, 151012, 152999, 174856, 198968, 236453, 264271, 270232, 302024, 305998, 371569, 415283, 472906, 528542, 611996, 641801, 743138, 830566, 945812, 1057084, 1223992, 1283602, 1486276, 1661132, 1891624, 2114168, 2567204, 2600983, 2906981, 2972552, 3322264, 4492607, 5134408, 5201966, 5813962, 7059811, 8985214, 10403932, 11627924, 14119622, 17970428, 20807864, 23255848, 28239244, 35940856, 49418677, 56478488, 98837354, 197674708, 395349416]

約数ペア:

[(1, 395349416), (2, 197674708), (4, 98837354), (7, 56478488), (8, 49418677), (11, 35940856), (14, 28239244), (17, 23255848), (19, 20807864), (22, 17970428), (28, 14119622), (34, 11627924), (38, 10403932), (44, 8985214), (56, 7059811), (68, 5813962), (76, 5201966), (77, 5134408), (88, 4492607), (119, 3322264), (133, 2972552), (136, 2906981), (152, 2600983), (154, 2567204), (187, 2114168), (209, 1891624), (238, 1661132), (266, 1486276), (308, 1283602), (323, 1223992), (374, 1057084), (418, 945812), (476, 830566), (532, 743138), (616, 641801), (646, 611996), (748, 528542), (836, 472906), (952, 415283), (1064, 371569), (1292, 305998), (1309, 302024), (1463, 270232), (1496, 264271), (1672, 236453), (1987, 198968), (2261, 174856), (2584, 152999), (2618, 151012), (2926, 135116), (3553, 111272), (3974, 99484), (4522, 87428), (5236, 75506), (5852, 67558), (7106, 55636), (7948, 49742), (9044, 43714), (10472, 37753), (11704, 33779), (13909, 28424), (14212, 27818), (15896, 24871), (18088, 21857)]