25409384

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 42328216

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 133, 143, 152, 154, 167, 182, 209, 247, 266, 286, 308, 334, 364, 418, 494, 532, 572, 616, 668, 728, 836, 988, 1001, 1064, 1144, 1169, 1336, 1463, 1672, 1729, 1837, 1976, 2002, 2171, 2338, 2717, 2926, 3173, 3458, 3674, 4004, 4342, 4676, 5434, 5852, 6346, 6916, 7348, 8008, 8684, 9352, 10868, 11704, 12692, 12859, 13832, 14696, 15197, 17368, 19019, 21736, 22211, 23881, 25384, 25718, 30394, 34903, 38038, 41249, 44422, 47762, 51436, 60788, 69806, 76076, 82498, 88844, 95524, 102872, 121576, 139612, 152152, 164996, 167167, 177688, 191048, 244321, 279224, 288743, 329992, 334334, 453739, 488642, 577486, 668668, 907478, 977284, 1154972, 1337336, 1814956, 1954568, 2309944, 3176173, 3629912, 6352346, 12704692, 25409384]

約数ペア:

[(1, 25409384), (2, 12704692), (4, 6352346), (7, 3629912), (8, 3176173), (11, 2309944), (13, 1954568), (14, 1814956), (19, 1337336), (22, 1154972), (26, 977284), (28, 907478), (38, 668668), (44, 577486), (52, 488642), (56, 453739), (76, 334334), (77, 329992), (88, 288743), (91, 279224), (104, 244321), (133, 191048), (143, 177688), (152, 167167), (154, 164996), (167, 152152), (182, 139612), (209, 121576), (247, 102872), (266, 95524), (286, 88844), (308, 82498), (334, 76076), (364, 69806), (418, 60788), (494, 51436), (532, 47762), (572, 44422), (616, 41249), (668, 38038), (728, 34903), (836, 30394), (988, 25718), (1001, 25384), (1064, 23881), (1144, 22211), (1169, 21736), (1336, 19019), (1463, 17368), (1672, 15197), (1729, 14696), (1837, 13832), (1976, 12859), (2002, 12692), (2171, 11704), (2338, 10868), (2717, 9352), (2926, 8684), (3173, 8008), (3458, 7348), (3674, 6916), (4004, 6346), (4342, 5852), (4676, 5434)]