501912201

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 815431680

約数和(自身を除く): 313519479

約数列:

[1, 3, 7, 21, 41, 47, 79, 123, 141, 157, 237, 287, 329, 471, 553, 861, 987, 1099, 1659, 1927, 3239, 3297, 3713, 5781, 6437, 7379, 9717, 11139, 12403, 13489, 19311, 22137, 22673, 25991, 37209, 40467, 45059, 51653, 68019, 77973, 86821, 135177, 152233, 154959, 260463, 302539, 456699, 508523, 582941, 907617, 1065631, 1525569, 1748823, 2117773, 3196893, 3559661, 4080587, 6353319, 10678983, 12241761, 23900581, 71701743, 167304067, 501912201]

約数ペア:

[(1, 501912201), (3, 167304067), (7, 71701743), (21, 23900581), (41, 12241761), (47, 10678983), (79, 6353319), (123, 4080587), (141, 3559661), (157, 3196893), (237, 2117773), (287, 1748823), (329, 1525569), (471, 1065631), (553, 907617), (861, 582941), (987, 508523), (1099, 456699), (1659, 302539), (1927, 260463), (3239, 154959), (3297, 152233), (3713, 135177), (5781, 86821), (6437, 77973), (7379, 68019), (9717, 51653), (11139, 45059), (12403, 40467), (13489, 37209), (19311, 25991), (22137, 22673)]