251504652

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{619}}^1\times {\mathrm{691}}^1$

素因数の和:1331

約数の個数: 72

約数和(自身を含む): 684747840

約数和(自身を除く): 433243188

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 619, 691, 1238, 1382, 1857, 2073, 2476, 2764, 3714, 4146, 4333, 4837, 7428, 8292, 8666, 9674, 12999, 14511, 17332, 19348, 25998, 29022, 30331, 33859, 51996, 58044, 60662, 67718, 90993, 101577, 121324, 135436, 181986, 203154, 363972, 406308, 427729, 855458, 1283187, 1710916, 2566374, 2994103, 5132748, 5988206, 8982309, 11976412, 17964618, 20958721, 35929236, 41917442, 62876163, 83834884, 125752326, 251504652]

約数ペア:

[(1, 251504652), (2, 125752326), (3, 83834884), (4, 62876163), (6, 41917442), (7, 35929236), (12, 20958721), (14, 17964618), (21, 11976412), (28, 8982309), (42, 5988206), (49, 5132748), (84, 2994103), (98, 2566374), (147, 1710916), (196, 1283187), (294, 855458), (588, 427729), (619, 406308), (691, 363972), (1238, 203154), (1382, 181986), (1857, 135436), (2073, 121324), (2476, 101577), (2764, 90993), (3714, 67718), (4146, 60662), (4333, 58044), (4837, 51996), (7428, 33859), (8292, 30331), (8666, 29022), (9674, 25998), (12999, 19348), (14511, 17332)]