42138972

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 111296640

約数和(自身を除く): 69157668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 181, 223, 261, 348, 362, 446, 522, 543, 669, 724, 892, 1044, 1086, 1338, 1629, 2007, 2172, 2676, 3258, 4014, 5249, 6467, 6516, 8028, 10498, 12934, 15747, 19401, 20996, 25868, 31494, 38802, 40363, 47241, 58203, 62988, 77604, 80726, 94482, 116406, 121089, 161452, 188964, 232812, 242178, 363267, 484356, 726534, 1170527, 1453068, 2341054, 3511581, 4682108, 7023162, 10534743, 14046324, 21069486, 42138972]

約数ペア:

[(1, 42138972), (2, 21069486), (3, 14046324), (4, 10534743), (6, 7023162), (9, 4682108), (12, 3511581), (18, 2341054), (29, 1453068), (36, 1170527), (58, 726534), (87, 484356), (116, 363267), (174, 242178), (181, 232812), (223, 188964), (261, 161452), (348, 121089), (362, 116406), (446, 94482), (522, 80726), (543, 77604), (669, 62988), (724, 58203), (892, 47241), (1044, 40363), (1086, 38802), (1338, 31494), (1629, 25868), (2007, 20996), (2172, 19401), (2676, 15747), (3258, 12934), (4014, 10498), (5249, 8028), (6467, 6516)]