81526788

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:546

約数の個数: 108

約数和(自身を含む): 242440380

約数和(自身を除く): 160913592

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 113, 126, 147, 196, 226, 252, 294, 339, 409, 441, 452, 588, 678, 791, 818, 882, 1017, 1227, 1356, 1582, 1636, 1764, 2034, 2373, 2454, 2863, 3164, 3681, 4068, 4746, 4908, 5537, 5726, 7119, 7362, 8589, 9492, 11074, 11452, 14238, 14724, 16611, 17178, 20041, 22148, 25767, 28476, 33222, 34356, 40082, 46217, 49833, 51534, 60123, 66444, 80164, 92434, 99666, 103068, 120246, 138651, 180369, 184868, 199332, 240492, 277302, 323519, 360738, 415953, 554604, 647038, 721476, 831906, 970557, 1294076, 1663812, 1941114, 2264633, 2911671, 3882228, 4529266, 5823342, 6793899, 9058532, 11646684, 13587798, 20381697, 27175596, 40763394, 81526788]

約数ペア:

[(1, 81526788), (2, 40763394), (3, 27175596), (4, 20381697), (6, 13587798), (7, 11646684), (9, 9058532), (12, 6793899), (14, 5823342), (18, 4529266), (21, 3882228), (28, 2911671), (36, 2264633), (42, 1941114), (49, 1663812), (63, 1294076), (84, 970557), (98, 831906), (113, 721476), (126, 647038), (147, 554604), (196, 415953), (226, 360738), (252, 323519), (294, 277302), (339, 240492), (409, 199332), (441, 184868), (452, 180369), (588, 138651), (678, 120246), (791, 103068), (818, 99666), (882, 92434), (1017, 80164), (1227, 66444), (1356, 60123), (1582, 51534), (1636, 49833), (1764, 46217), (2034, 40082), (2373, 34356), (2454, 33222), (2863, 28476), (3164, 25767), (3681, 22148), (4068, 20041), (4746, 17178), (4908, 16611), (5537, 14724), (5726, 14238), (7119, 11452), (7362, 11074), (8589, 9492)]