28374892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 61669440

約数和(自身を除く): 33294548

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 137, 182, 274, 364, 548, 569, 959, 1138, 1781, 1918, 2276, 3562, 3836, 3983, 7124, 7397, 7966, 12467, 14794, 15932, 24934, 29588, 49868, 51779, 77953, 103558, 155906, 207116, 311812, 545671, 1013389, 1091342, 2026778, 2182684, 4053556, 7093723, 14187446, 28374892]

約数ペア:

[(1, 28374892), (2, 14187446), (4, 7093723), (7, 4053556), (13, 2182684), (14, 2026778), (26, 1091342), (28, 1013389), (52, 545671), (91, 311812), (137, 207116), (182, 155906), (274, 103558), (364, 77953), (548, 51779), (569, 49868), (959, 29588), (1138, 24934), (1781, 15932), (1918, 14794), (2276, 12467), (3562, 7966), (3836, 7397), (3983, 7124)]