28796508

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1723

約数の個数: 72

約数和(自身を含む): 80557568

約数和(自身を除く): 51761060

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 148, 156, 222, 234, 333, 444, 468, 481, 666, 962, 1332, 1443, 1663, 1924, 2886, 3326, 4329, 4989, 5772, 6652, 8658, 9978, 14967, 17316, 19956, 21619, 29934, 43238, 59868, 61531, 64857, 86476, 123062, 129714, 184593, 194571, 246124, 259428, 369186, 389142, 553779, 738372, 778284, 799903, 1107558, 1599806, 2215116, 2399709, 3199612, 4799418, 7199127, 9598836, 14398254, 28796508]

約数ペア:

[(1, 28796508), (2, 14398254), (3, 9598836), (4, 7199127), (6, 4799418), (9, 3199612), (12, 2399709), (13, 2215116), (18, 1599806), (26, 1107558), (36, 799903), (37, 778284), (39, 738372), (52, 553779), (74, 389142), (78, 369186), (111, 259428), (117, 246124), (148, 194571), (156, 184593), (222, 129714), (234, 123062), (333, 86476), (444, 64857), (468, 61531), (481, 59868), (666, 43238), (962, 29934), (1332, 21619), (1443, 19956), (1663, 17316), (1924, 14967), (2886, 9978), (3326, 8658), (4329, 6652), (4989, 5772)]