639698724

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{15767}}^1$

素因数の和:15814

約数の個数: 108

約数和(自身を含む): 1962926784

約数和(自身を除く): 1323228060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 84, 92, 98, 126, 138, 147, 161, 196, 207, 252, 276, 294, 322, 414, 441, 483, 588, 644, 828, 882, 966, 1127, 1449, 1764, 1932, 2254, 2898, 3381, 4508, 5796, 6762, 10143, 13524, 15767, 20286, 31534, 40572, 47301, 63068, 94602, 110369, 141903, 189204, 220738, 283806, 331107, 362641, 441476, 567612, 662214, 725282, 772583, 993321, 1087923, 1324428, 1450564, 1545166, 1986642, 2175846, 2317749, 2538487, 3090332, 3263769, 3973284, 4351692, 4635498, 5076974, 6527538, 6953247, 7615461, 9270996, 10153948, 13055076, 13906494, 15230922, 17769409, 22846383, 27812988, 30461844, 35538818, 45692766, 53308227, 71077636, 91385532, 106616454, 159924681, 213232908, 319849362, 639698724]

約数ペア:

[(1, 639698724), (2, 319849362), (3, 213232908), (4, 159924681), (6, 106616454), (7, 91385532), (9, 71077636), (12, 53308227), (14, 45692766), (18, 35538818), (21, 30461844), (23, 27812988), (28, 22846383), (36, 17769409), (42, 15230922), (46, 13906494), (49, 13055076), (63, 10153948), (69, 9270996), (84, 7615461), (92, 6953247), (98, 6527538), (126, 5076974), (138, 4635498), (147, 4351692), (161, 3973284), (196, 3263769), (207, 3090332), (252, 2538487), (276, 2317749), (294, 2175846), (322, 1986642), (414, 1545166), (441, 1450564), (483, 1324428), (588, 1087923), (644, 993321), (828, 772583), (882, 725282), (966, 662214), (1127, 567612), (1449, 441476), (1764, 362641), (1932, 331107), (2254, 283806), (2898, 220738), (3381, 189204), (4508, 141903), (5796, 110369), (6762, 94602), (10143, 63068), (13524, 47301), (15767, 40572), (20286, 31534)]