278319972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{383}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 765886464

約数和(自身を除く): 487566492

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 164, 211, 246, 287, 383, 422, 492, 574, 633, 766, 844, 861, 1148, 1149, 1266, 1477, 1532, 1722, 2298, 2532, 2681, 2954, 3444, 4431, 4596, 5362, 5908, 8043, 8651, 8862, 10724, 15703, 16086, 17302, 17724, 25953, 31406, 32172, 34604, 47109, 51906, 60557, 62812, 80813, 94218, 103812, 109921, 121114, 161626, 181671, 188436, 219842, 242228, 242439, 323252, 329763, 363342, 439684, 484878, 565691, 659526, 726684, 969756, 1131382, 1319052, 1697073, 2262764, 3313333, 3394146, 6626666, 6788292, 9939999, 13253332, 19879998, 23193331, 39759996, 46386662, 69579993, 92773324, 139159986, 278319972]

約数ペア:

[(1, 278319972), (2, 139159986), (3, 92773324), (4, 69579993), (6, 46386662), (7, 39759996), (12, 23193331), (14, 19879998), (21, 13253332), (28, 9939999), (41, 6788292), (42, 6626666), (82, 3394146), (84, 3313333), (123, 2262764), (164, 1697073), (211, 1319052), (246, 1131382), (287, 969756), (383, 726684), (422, 659526), (492, 565691), (574, 484878), (633, 439684), (766, 363342), (844, 329763), (861, 323252), (1148, 242439), (1149, 242228), (1266, 219842), (1477, 188436), (1532, 181671), (1722, 161626), (2298, 121114), (2532, 109921), (2681, 103812), (2954, 94218), (3444, 80813), (4431, 62812), (4596, 60557), (5362, 51906), (5908, 47109), (8043, 34604), (8651, 32172), (8862, 31406), (10724, 25953), (15703, 17724), (16086, 17302)]