1387690878

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1611

約数の個数: 128

約数和(自身を含む): 3557376000

約数和(自身を除く): 2169685122

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 49, 57, 69, 98, 114, 133, 138, 147, 161, 266, 294, 322, 343, 399, 437, 483, 686, 798, 874, 931, 966, 1029, 1127, 1311, 1543, 1862, 2058, 2254, 2622, 2793, 3059, 3086, 3381, 4629, 5586, 6118, 6517, 6762, 7889, 9177, 9258, 10801, 13034, 15778, 18354, 19551, 21413, 21602, 23667, 29317, 32403, 35489, 39102, 42826, 47334, 58634, 64239, 64806, 70978, 75607, 87951, 106467, 128478, 149891, 151214, 175902, 205219, 212934, 226821, 248423, 299782, 410438, 449673, 453642, 496846, 529249, 615657, 674291, 745269, 899346, 1058498, 1231314, 1348582, 1436533, 1490538, 1587747, 1738961, 2022873, 2873066, 3175494, 3477922, 4045746, 4309599, 4720037, 5216883, 8619198, 9440074, 10055731, 10433766, 12172727, 14160111, 20111462, 24345454, 28320222, 30167193, 33040259, 36518181, 60334386, 66080518, 73036362, 99120777, 198241554, 231281813, 462563626, 693845439, 1387690878]

約数ペア:

[(1, 1387690878), (2, 693845439), (3, 462563626), (6, 231281813), (7, 198241554), (14, 99120777), (19, 73036362), (21, 66080518), (23, 60334386), (38, 36518181), (42, 33040259), (46, 30167193), (49, 28320222), (57, 24345454), (69, 20111462), (98, 14160111), (114, 12172727), (133, 10433766), (138, 10055731), (147, 9440074), (161, 8619198), (266, 5216883), (294, 4720037), (322, 4309599), (343, 4045746), (399, 3477922), (437, 3175494), (483, 2873066), (686, 2022873), (798, 1738961), (874, 1587747), (931, 1490538), (966, 1436533), (1029, 1348582), (1127, 1231314), (1311, 1058498), (1543, 899346), (1862, 745269), (2058, 674291), (2254, 615657), (2622, 529249), (2793, 496846), (3059, 453642), (3086, 449673), (3381, 410438), (4629, 299782), (5586, 248423), (6118, 226821), (6517, 212934), (6762, 205219), (7889, 175902), (9177, 151214), (9258, 149891), (10801, 128478), (13034, 106467), (15778, 87951), (18354, 75607), (19551, 70978), (21413, 64806), (21602, 64239), (23667, 58634), (29317, 47334), (32403, 42826), (35489, 39102)]