25215736

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1868

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 36070664

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1823, 1976, 3458, 3646, 6916, 7292, 12761, 13832, 14584, 23699, 25522, 34637, 47398, 51044, 69274, 94796, 102088, 138548, 165893, 189592, 242459, 277096, 331786, 450281, 484918, 663572, 900562, 969836, 1327144, 1801124, 1939672, 3151967, 3602248, 6303934, 12607868, 25215736]

約数ペア:

[(1, 25215736), (2, 12607868), (4, 6303934), (7, 3602248), (8, 3151967), (13, 1939672), (14, 1801124), (19, 1327144), (26, 969836), (28, 900562), (38, 663572), (52, 484918), (56, 450281), (76, 331786), (91, 277096), (104, 242459), (133, 189592), (152, 165893), (182, 138548), (247, 102088), (266, 94796), (364, 69274), (494, 51044), (532, 47398), (728, 34637), (988, 25522), (1064, 23699), (1729, 14584), (1823, 13832), (1976, 12761), (3458, 7292), (3646, 6916)]