209209986

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 475891200

約数和(自身を除く): 266681214

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 101, 178, 202, 267, 303, 431, 534, 606, 801, 862, 909, 1293, 1602, 1818, 2403, 2586, 2727, 3879, 4806, 5454, 7758, 8989, 11637, 17978, 23274, 26967, 38359, 43531, 53934, 76718, 80901, 87062, 115077, 130593, 161802, 230154, 242703, 261186, 345231, 391779, 485406, 690462, 783558, 1035693, 1175337, 2071386, 2350674, 3874259, 7748518, 11622777, 23245554, 34868331, 69736662, 104604993, 209209986]

約数ペア:

[(1, 209209986), (2, 104604993), (3, 69736662), (6, 34868331), (9, 23245554), (18, 11622777), (27, 7748518), (54, 3874259), (89, 2350674), (101, 2071386), (178, 1175337), (202, 1035693), (267, 783558), (303, 690462), (431, 485406), (534, 391779), (606, 345231), (801, 261186), (862, 242703), (909, 230154), (1293, 161802), (1602, 130593), (1818, 115077), (2403, 87062), (2586, 80901), (2727, 76718), (3879, 53934), (4806, 43531), (5454, 38359), (7758, 26967), (8989, 23274), (11637, 17978)]