71878788

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 193552632

約数和(自身を除く): 121673844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 257, 306, 457, 514, 612, 771, 914, 1028, 1371, 1542, 1828, 2313, 2742, 3084, 4113, 4369, 4626, 5484, 7769, 8226, 8738, 9252, 13107, 15538, 16452, 17476, 23307, 26214, 31076, 39321, 46614, 52428, 69921, 78642, 93228, 117449, 139842, 157284, 234898, 279684, 352347, 469796, 704694, 1057041, 1409388, 1996633, 2114082, 3993266, 4228164, 5989899, 7986532, 11979798, 17969697, 23959596, 35939394, 71878788]

約数ペア:

[(1, 71878788), (2, 35939394), (3, 23959596), (4, 17969697), (6, 11979798), (9, 7986532), (12, 5989899), (17, 4228164), (18, 3993266), (34, 2114082), (36, 1996633), (51, 1409388), (68, 1057041), (102, 704694), (153, 469796), (204, 352347), (257, 279684), (306, 234898), (457, 157284), (514, 139842), (612, 117449), (771, 93228), (914, 78642), (1028, 69921), (1371, 52428), (1542, 46614), (1828, 39321), (2313, 31076), (2742, 26214), (3084, 23307), (4113, 17476), (4369, 16452), (4626, 15538), (5484, 13107), (7769, 9252), (8226, 8738)]