28781694

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3659}}^1$

素因数の和:3709

約数の個数: 48

約数和(自身を含む): 68515200

約数和(自身を除く): 39733506

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 69, 114, 138, 171, 207, 342, 414, 437, 874, 1311, 2622, 3659, 3933, 7318, 7866, 10977, 21954, 32931, 65862, 69521, 84157, 139042, 168314, 208563, 252471, 417126, 504942, 625689, 757413, 1251378, 1514826, 1598983, 3197966, 4796949, 9593898, 14390847, 28781694]

約数ペア:

[(1, 28781694), (2, 14390847), (3, 9593898), (6, 4796949), (9, 3197966), (18, 1598983), (19, 1514826), (23, 1251378), (38, 757413), (46, 625689), (57, 504942), (69, 417126), (114, 252471), (138, 208563), (171, 168314), (207, 139042), (342, 84157), (414, 69521), (437, 65862), (874, 32931), (1311, 21954), (2622, 10977), (3659, 7866), (3933, 7318)]