28212534

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1103}}^1$

素因数の和:1154

約数の個数: 72

約数和(自身を含む): 73625760

約数和(自身を除く): 45413226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1103, 1218, 1421, 1827, 2206, 2842, 3309, 3654, 4263, 6618, 7721, 8526, 9927, 12789, 15442, 19854, 23163, 25578, 31987, 46326, 54047, 63974, 69489, 95961, 108094, 138978, 162141, 191922, 223909, 287883, 324282, 447818, 486423, 575766, 671727, 972846, 1343454, 1567363, 2015181, 3134726, 4030362, 4702089, 9404178, 14106267, 28212534]

約数ペア:

[(1, 28212534), (2, 14106267), (3, 9404178), (6, 4702089), (7, 4030362), (9, 3134726), (14, 2015181), (18, 1567363), (21, 1343454), (29, 972846), (42, 671727), (49, 575766), (58, 486423), (63, 447818), (87, 324282), (98, 287883), (126, 223909), (147, 191922), (174, 162141), (203, 138978), (261, 108094), (294, 95961), (406, 69489), (441, 63974), (522, 54047), (609, 46326), (882, 31987), (1103, 25578), (1218, 23163), (1421, 19854), (1827, 15442), (2206, 12789), (2842, 9927), (3309, 8526), (3654, 7721), (4263, 6618)]