493993402

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 912384000

約数和(自身を除く): 418390598

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 131, 161, 239, 262, 322, 343, 478, 686, 917, 1127, 1673, 1834, 2254, 3013, 3346, 5497, 6026, 6419, 7889, 10994, 11711, 12838, 15778, 21091, 23422, 31309, 38479, 42182, 44933, 62618, 76958, 81977, 89866, 147637, 163954, 219163, 269353, 295274, 438326, 538706, 720107, 1033459, 1440214, 1534141, 1885471, 2066918, 3068282, 3770942, 5040749, 10081498, 10738987, 21477974, 35285243, 70570486, 246996701, 493993402]

約数ペア:

[(1, 493993402), (2, 246996701), (7, 70570486), (14, 35285243), (23, 21477974), (46, 10738987), (49, 10081498), (98, 5040749), (131, 3770942), (161, 3068282), (239, 2066918), (262, 1885471), (322, 1534141), (343, 1440214), (478, 1033459), (686, 720107), (917, 538706), (1127, 438326), (1673, 295274), (1834, 269353), (2254, 219163), (3013, 163954), (3346, 147637), (5497, 89866), (6026, 81977), (6419, 76958), (7889, 62618), (10994, 44933), (11711, 42182), (12838, 38479), (15778, 31309), (21091, 23422)]