257161788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{32323}}^1$

素因数の和:32363

約数の個数: 72

約数和(自身を含む): 741253968

約数和(自身を除く): 484092180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2652, 3978, 7956, 32323, 64646, 96969, 129292, 193938, 290907, 387876, 420199, 549491, 581814, 840398, 1098982, 1163628, 1260597, 1648473, 1680796, 2197964, 2521194, 3296946, 3781791, 4945419, 5042388, 6593892, 7143383, 7563582, 9890838, 14286766, 15127164, 19781676, 21430149, 28573532, 42860298, 64290447, 85720596, 128580894, 257161788]

約数ペア:

[(1, 257161788), (2, 128580894), (3, 85720596), (4, 64290447), (6, 42860298), (9, 28573532), (12, 21430149), (13, 19781676), (17, 15127164), (18, 14286766), (26, 9890838), (34, 7563582), (36, 7143383), (39, 6593892), (51, 5042388), (52, 4945419), (68, 3781791), (78, 3296946), (102, 2521194), (117, 2197964), (153, 1680796), (156, 1648473), (204, 1260597), (221, 1163628), (234, 1098982), (306, 840398), (442, 581814), (468, 549491), (612, 420199), (663, 387876), (884, 290907), (1326, 193938), (1989, 129292), (2652, 96969), (3978, 64646), (7956, 32323)]