127978312

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 322548480

約数和(自身を除く): 194570168

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 101, 119, 121, 136, 154, 187, 202, 238, 242, 308, 374, 404, 476, 484, 616, 707, 748, 808, 847, 952, 968, 1111, 1309, 1331, 1414, 1496, 1694, 1717, 2057, 2222, 2618, 2662, 2828, 3388, 3434, 4114, 4444, 5236, 5324, 5656, 6776, 6868, 7777, 8228, 8888, 9317, 10472, 10648, 12019, 12221, 13736, 14399, 15554, 16456, 18634, 18887, 22627, 24038, 24442, 28798, 31108, 37268, 37774, 45254, 48076, 48884, 57596, 62216, 74536, 75548, 85547, 90508, 96152, 97768, 115192, 132209, 134431, 151096, 158389, 171094, 181016, 207757, 264418, 268862, 316778, 342188, 415514, 528836, 537724, 633556, 684376, 831028, 941017, 1057672, 1075448, 1267112, 1454299, 1662056, 1882034, 2285327, 2908598, 3764068, 4570654, 5817196, 7528136, 9141308, 11634392, 15997289, 18282616, 31994578, 63989156, 127978312]

約数ペア:

[(1, 127978312), (2, 63989156), (4, 31994578), (7, 18282616), (8, 15997289), (11, 11634392), (14, 9141308), (17, 7528136), (22, 5817196), (28, 4570654), (34, 3764068), (44, 2908598), (56, 2285327), (68, 1882034), (77, 1662056), (88, 1454299), (101, 1267112), (119, 1075448), (121, 1057672), (136, 941017), (154, 831028), (187, 684376), (202, 633556), (238, 537724), (242, 528836), (308, 415514), (374, 342188), (404, 316778), (476, 268862), (484, 264418), (616, 207757), (707, 181016), (748, 171094), (808, 158389), (847, 151096), (952, 134431), (968, 132209), (1111, 115192), (1309, 97768), (1331, 96152), (1414, 90508), (1496, 85547), (1694, 75548), (1717, 74536), (2057, 62216), (2222, 57596), (2618, 48884), (2662, 48076), (2828, 45254), (3388, 37774), (3434, 37268), (4114, 31108), (4444, 28798), (5236, 24442), (5324, 24038), (5656, 22627), (6776, 18887), (6868, 18634), (7777, 16456), (8228, 15554), (8888, 14399), (9317, 13736), (10472, 12221), (10648, 12019)]