71473428

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 204906240

約数和(自身を除く): 133432812

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 71, 78, 81, 108, 117, 142, 156, 162, 213, 234, 239, 284, 324, 351, 426, 468, 478, 639, 702, 717, 852, 923, 956, 1053, 1278, 1404, 1434, 1846, 1917, 2106, 2151, 2556, 2769, 2868, 3107, 3692, 3834, 4212, 4302, 5538, 5751, 6214, 6453, 7668, 8307, 8604, 9321, 11076, 11502, 12428, 12906, 16614, 16969, 18642, 19359, 23004, 24921, 25812, 27963, 33228, 33938, 37284, 38718, 49842, 50907, 55926, 67876, 74763, 77436, 83889, 99684, 101814, 111852, 149526, 152721, 167778, 203628, 220597, 251667, 299052, 305442, 335556, 441194, 458163, 503334, 610884, 661791, 882388, 916326, 1006668, 1323582, 1374489, 1832652, 1985373, 2647164, 2748978, 3970746, 5497956, 5956119, 7941492, 11912238, 17868357, 23824476, 35736714, 71473428]

約数ペア:

[(1, 71473428), (2, 35736714), (3, 23824476), (4, 17868357), (6, 11912238), (9, 7941492), (12, 5956119), (13, 5497956), (18, 3970746), (26, 2748978), (27, 2647164), (36, 1985373), (39, 1832652), (52, 1374489), (54, 1323582), (71, 1006668), (78, 916326), (81, 882388), (108, 661791), (117, 610884), (142, 503334), (156, 458163), (162, 441194), (213, 335556), (234, 305442), (239, 299052), (284, 251667), (324, 220597), (351, 203628), (426, 167778), (468, 152721), (478, 149526), (639, 111852), (702, 101814), (717, 99684), (852, 83889), (923, 77436), (956, 74763), (1053, 67876), (1278, 55926), (1404, 50907), (1434, 49842), (1846, 38718), (1917, 37284), (2106, 33938), (2151, 33228), (2556, 27963), (2769, 25812), (2868, 24921), (3107, 23004), (3692, 19359), (3834, 18642), (4212, 16969), (4302, 16614), (5538, 12906), (5751, 12428), (6214, 11502), (6453, 11076), (7668, 9321), (8307, 8604)]