490493906

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:827

約数の個数: 64

約数和(自身を含む): 917070336

約数和(自身を除く): 426576430

約数列:

[1, 2, 7, 14, 23, 41, 46, 53, 82, 106, 161, 287, 322, 371, 574, 701, 742, 943, 1219, 1402, 1886, 2173, 2438, 4346, 4907, 6601, 8533, 9814, 13202, 15211, 16123, 17066, 28741, 30422, 32246, 37153, 49979, 57482, 74306, 99958, 112861, 201187, 225722, 260071, 349853, 402374, 520142, 661043, 699706, 854519, 1322086, 1523273, 1709038, 3046546, 4627301, 5981633, 9254602, 10662911, 11963266, 21325822, 35035279, 70070558, 245246953, 490493906]

約数ペア:

[(1, 490493906), (2, 245246953), (7, 70070558), (14, 35035279), (23, 21325822), (41, 11963266), (46, 10662911), (53, 9254602), (82, 5981633), (106, 4627301), (161, 3046546), (287, 1709038), (322, 1523273), (371, 1322086), (574, 854519), (701, 699706), (742, 661043), (943, 520142), (1219, 402374), (1402, 349853), (1886, 260071), (2173, 225722), (2438, 201187), (4346, 112861), (4907, 99958), (6601, 74306), (8533, 57482), (9814, 49979), (13202, 37153), (15211, 32246), (16123, 30422), (17066, 28741)]