1977976

素因数分解:

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

素因数の和:69

約数の個数: 96

約数和(自身を含む): 5270400

約数和(自身を除く): 3292424

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, 169, 182, 209, 247, 266, 286, 308, 338, 364, 418, 494, 532, 572, 616, 676, 728, 836, 988, 1001, 1064, 1144, 1183, 1352, 1463, 1672, 1729, 1859, 1976, 2002, 2366, 2717, 2926, 3211, 3458, 3718, 4004, 4732, 5434, 5852, 6422, 6916, 7436, 8008, 9464, 10868, 11704, 12844, 13013, 13832, 14872, 19019, 21736, 22477, 25688, 26026, 35321, 38038, 44954, 52052, 70642, 76076, 89908, 104104, 141284, 152152, 179816, 247247, 282568, 494494, 988988, 1977976]

約数ペア:

[(1, 1977976), (2, 988988), (4, 494494), (7, 282568), (8, 247247), (11, 179816), (13, 152152), (14, 141284), (19, 104104), (22, 89908), (26, 76076), (28, 70642), (38, 52052), (44, 44954), (52, 38038), (56, 35321), (76, 26026), (77, 25688), (88, 22477), (91, 21736), (104, 19019), (133, 14872), (143, 13832), (152, 13013), (154, 12844), (169, 11704), (182, 10868), (209, 9464), (247, 8008), (266, 7436), (286, 6916), (308, 6422), (338, 5852), (364, 5434), (418, 4732), (494, 4004), (532, 3718), (572, 3458), (616, 3211), (676, 2926), (728, 2717), (836, 2366), (988, 2002), (1001, 1976), (1064, 1859), (1144, 1729), (1183, 1672), (1352, 1463)]