201521445839

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1\times {\mathrm{27427}}^1$

素因数の和:28475

約数の個数: 32

約数和(自身を含む): 245698707456

約数和(自身を除く): 44177261617

約数列:

[1, 7, 23, 47, 161, 329, 971, 1081, 6797, 7567, 22333, 27427, 45637, 156331, 191989, 319459, 630821, 1049651, 1289069, 4415747, 7347557, 9023483, 26631617, 29648587, 186421319, 207540109, 612527191, 1251685999, 4287690337, 8761801993, 28788777977, 201521445839]

約数ペア:

[(1, 201521445839), (7, 28788777977), (23, 8761801993), (47, 4287690337), (161, 1251685999), (329, 612527191), (971, 207540109), (1081, 186421319), (6797, 29648587), (7567, 26631617), (22333, 9023483), (27427, 7347557), (45637, 4415747), (156331, 1289069), (191989, 1049651), (319459, 630821)]