215516994

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:780

約数の個数: 96

約数和(自身を含む): 553153536

約数和(自身を除く): 337636542

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 103, 147, 154, 206, 231, 294, 309, 462, 539, 618, 647, 721, 1078, 1133, 1294, 1442, 1617, 1941, 2163, 2266, 3234, 3399, 3882, 4326, 4529, 5047, 6798, 7117, 7931, 9058, 10094, 13587, 14234, 15141, 15862, 21351, 23793, 27174, 30282, 31703, 42702, 47586, 49819, 55517, 63406, 66641, 95109, 99638, 111034, 133282, 149457, 166551, 190218, 199923, 298914, 333102, 348733, 399846, 466487, 697466, 733051, 932974, 1046199, 1399461, 1466102, 2092398, 2199153, 2798922, 3265409, 4398306, 5131357, 6530818, 9796227, 10262714, 15394071, 19592454, 30788142, 35919499, 71838998, 107758497, 215516994]

約数ペア:

[(1, 215516994), (2, 107758497), (3, 71838998), (6, 35919499), (7, 30788142), (11, 19592454), (14, 15394071), (21, 10262714), (22, 9796227), (33, 6530818), (42, 5131357), (49, 4398306), (66, 3265409), (77, 2798922), (98, 2199153), (103, 2092398), (147, 1466102), (154, 1399461), (206, 1046199), (231, 932974), (294, 733051), (309, 697466), (462, 466487), (539, 399846), (618, 348733), (647, 333102), (721, 298914), (1078, 199923), (1133, 190218), (1294, 166551), (1442, 149457), (1617, 133282), (1941, 111034), (2163, 99638), (2266, 95109), (3234, 66641), (3399, 63406), (3882, 55517), (4326, 49819), (4529, 47586), (5047, 42702), (6798, 31703), (7117, 30282), (7931, 27174), (9058, 23793), (10094, 21351), (13587, 15862), (14234, 15141)]