161777308

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 377975808

約数和(自身を除く): 216198500

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 41, 44, 46, 77, 82, 92, 154, 161, 164, 253, 287, 308, 322, 451, 506, 557, 574, 644, 902, 943, 1012, 1114, 1148, 1771, 1804, 1886, 2228, 3157, 3542, 3772, 3899, 6127, 6314, 6601, 7084, 7798, 10373, 12254, 12628, 12811, 13202, 15596, 20746, 22837, 24508, 25622, 26404, 41492, 42889, 45674, 51244, 72611, 85778, 89677, 91348, 140921, 145222, 159859, 171556, 179354, 251207, 281842, 290444, 319718, 358708, 502414, 525251, 563684, 639436, 986447, 1004828, 1050502, 1758449, 1972894, 2101004, 3516898, 3676757, 3945788, 5777761, 7033796, 7353514, 11555522, 14707028, 23111044, 40444327, 80888654, 161777308]

約数ペア:

[(1, 161777308), (2, 80888654), (4, 40444327), (7, 23111044), (11, 14707028), (14, 11555522), (22, 7353514), (23, 7033796), (28, 5777761), (41, 3945788), (44, 3676757), (46, 3516898), (77, 2101004), (82, 1972894), (92, 1758449), (154, 1050502), (161, 1004828), (164, 986447), (253, 639436), (287, 563684), (308, 525251), (322, 502414), (451, 358708), (506, 319718), (557, 290444), (574, 281842), (644, 251207), (902, 179354), (943, 171556), (1012, 159859), (1114, 145222), (1148, 140921), (1771, 91348), (1804, 89677), (1886, 85778), (2228, 72611), (3157, 51244), (3542, 45674), (3772, 42889), (3899, 41492), (6127, 26404), (6314, 25622), (6601, 24508), (7084, 22837), (7798, 20746), (10373, 15596), (12254, 13202), (12628, 12811)]