666545384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 1474329600

約数和(自身を除く): 807784216

約数列:

[1, 2, 4, 8, 17, 19, 31, 34, 38, 53, 62, 68, 76, 106, 124, 136, 152, 157, 212, 248, 314, 323, 424, 527, 589, 628, 646, 901, 1007, 1054, 1178, 1256, 1292, 1643, 1802, 2014, 2108, 2356, 2584, 2669, 2983, 3286, 3604, 4028, 4216, 4712, 4867, 5338, 5966, 6572, 7208, 8056, 8321, 9734, 10013, 10676, 11932, 13144, 16642, 17119, 19468, 20026, 21352, 23864, 27931, 31217, 33284, 34238, 38936, 40052, 50711, 55862, 62434, 66568, 68476, 80104, 82739, 92473, 101422, 111724, 124868, 136952, 141457, 158099, 165478, 184946, 202844, 223448, 249736, 257951, 282914, 316198, 330956, 369892, 405688, 515902, 530689, 565828, 632396, 661912, 739784, 1031804, 1061378, 1131656, 1264792, 1572041, 2063608, 2122756, 2687683, 3144082, 4245512, 4385167, 4901069, 5375366, 6288164, 8770334, 9802138, 10750732, 12576328, 17540668, 19604276, 21501464, 35081336, 39208552, 83318173, 166636346, 333272692, 666545384]

約数ペア:

[(1, 666545384), (2, 333272692), (4, 166636346), (8, 83318173), (17, 39208552), (19, 35081336), (31, 21501464), (34, 19604276), (38, 17540668), (53, 12576328), (62, 10750732), (68, 9802138), (76, 8770334), (106, 6288164), (124, 5375366), (136, 4901069), (152, 4385167), (157, 4245512), (212, 3144082), (248, 2687683), (314, 2122756), (323, 2063608), (424, 1572041), (527, 1264792), (589, 1131656), (628, 1061378), (646, 1031804), (901, 739784), (1007, 661912), (1054, 632396), (1178, 565828), (1256, 530689), (1292, 515902), (1643, 405688), (1802, 369892), (2014, 330956), (2108, 316198), (2356, 282914), (2584, 257951), (2669, 249736), (2983, 223448), (3286, 202844), (3604, 184946), (4028, 165478), (4216, 158099), (4712, 141457), (4867, 136952), (5338, 124868), (5966, 111724), (6572, 101422), (7208, 92473), (8056, 82739), (8321, 80104), (9734, 68476), (10013, 66568), (10676, 62434), (11932, 55862), (13144, 50711), (16642, 40052), (17119, 38936), (19468, 34238), (20026, 33284), (21352, 31217), (23864, 27931)]