28400868

素因数分解:

$2^2\times 3^5\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 72

約数和(自身を含む): 75828480

約数和(自身を除く): 47427612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 243, 244, 324, 366, 479, 486, 549, 732, 958, 972, 1098, 1437, 1647, 1916, 2196, 2874, 3294, 4311, 4941, 5748, 6588, 8622, 9882, 12933, 14823, 17244, 19764, 25866, 29219, 29646, 38799, 51732, 58438, 59292, 77598, 87657, 116397, 116876, 155196, 175314, 232794, 262971, 350628, 465588, 525942, 788913, 1051884, 1577826, 2366739, 3155652, 4733478, 7100217, 9466956, 14200434, 28400868]

約数ペア:

[(1, 28400868), (2, 14200434), (3, 9466956), (4, 7100217), (6, 4733478), (9, 3155652), (12, 2366739), (18, 1577826), (27, 1051884), (36, 788913), (54, 525942), (61, 465588), (81, 350628), (108, 262971), (122, 232794), (162, 175314), (183, 155196), (243, 116876), (244, 116397), (324, 87657), (366, 77598), (479, 59292), (486, 58438), (549, 51732), (732, 38799), (958, 29646), (972, 29219), (1098, 25866), (1437, 19764), (1647, 17244), (1916, 14823), (2196, 12933), (2874, 9882), (3294, 8622), (4311, 6588), (4941, 5748)]