211399472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:298

約数の個数: 80

約数和(自身を含む): 446221440

約数和(自身を除く): 234821968

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 97, 107, 134, 152, 194, 214, 268, 304, 388, 428, 536, 776, 856, 1072, 1273, 1552, 1712, 1843, 2033, 2546, 3686, 4066, 5092, 6499, 7169, 7372, 8132, 10184, 10379, 12998, 14338, 14744, 16264, 20368, 20758, 25996, 28676, 29488, 32528, 41516, 51992, 57352, 83032, 103984, 114704, 123481, 136211, 166064, 197201, 246962, 272422, 394402, 493924, 544844, 695393, 788804, 987848, 1089688, 1390786, 1577608, 1975696, 2179376, 2781572, 3155216, 5563144, 11126288, 13212467, 26424934, 52849868, 105699736, 211399472]

約数ペア:

[(1, 211399472), (2, 105699736), (4, 52849868), (8, 26424934), (16, 13212467), (19, 11126288), (38, 5563144), (67, 3155216), (76, 2781572), (97, 2179376), (107, 1975696), (134, 1577608), (152, 1390786), (194, 1089688), (214, 987848), (268, 788804), (304, 695393), (388, 544844), (428, 493924), (536, 394402), (776, 272422), (856, 246962), (1072, 197201), (1273, 166064), (1552, 136211), (1712, 123481), (1843, 114704), (2033, 103984), (2546, 83032), (3686, 57352), (4066, 51992), (5092, 41516), (6499, 32528), (7169, 29488), (7372, 28676), (8132, 25996), (10184, 20758), (10379, 20368), (12998, 16264), (14338, 14744)]