1778129028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{27733}}^1$

素因数の和:27893

約数の個数: 72

約数和(自身を含む): 4875970008

約数和(自身を除く): 3097840980

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 137, 156, 234, 274, 411, 468, 548, 822, 1233, 1644, 1781, 2466, 3562, 4932, 5343, 7124, 10686, 16029, 21372, 27733, 32058, 55466, 64116, 83199, 110932, 166398, 249597, 332796, 360529, 499194, 721058, 998388, 1081587, 1442116, 2163174, 3244761, 3799421, 4326348, 6489522, 7598842, 11398263, 12979044, 15197684, 22796526, 34194789, 45593052, 49392473, 68389578, 98784946, 136779156, 148177419, 197569892, 296354838, 444532257, 592709676, 889064514, 1778129028]

約数ペア:

[(1, 1778129028), (2, 889064514), (3, 592709676), (4, 444532257), (6, 296354838), (9, 197569892), (12, 148177419), (13, 136779156), (18, 98784946), (26, 68389578), (36, 49392473), (39, 45593052), (52, 34194789), (78, 22796526), (117, 15197684), (137, 12979044), (156, 11398263), (234, 7598842), (274, 6489522), (411, 4326348), (468, 3799421), (548, 3244761), (822, 2163174), (1233, 1442116), (1644, 1081587), (1781, 998388), (2466, 721058), (3562, 499194), (4932, 360529), (5343, 332796), (7124, 249597), (10686, 166398), (16029, 110932), (21372, 83199), (27733, 64116), (32058, 55466)]