816228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 2446080

約数和(自身を除く): 1629852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 79, 82, 84, 123, 126, 158, 164, 237, 246, 252, 287, 316, 369, 474, 492, 553, 574, 711, 738, 861, 948, 1106, 1148, 1422, 1476, 1659, 1722, 2212, 2583, 2844, 3239, 3318, 3444, 4977, 5166, 6478, 6636, 9717, 9954, 10332, 12956, 19434, 19908, 22673, 29151, 38868, 45346, 58302, 68019, 90692, 116604, 136038, 204057, 272076, 408114, 816228]

約数ペア:

[(1, 816228), (2, 408114), (3, 272076), (4, 204057), (6, 136038), (7, 116604), (9, 90692), (12, 68019), (14, 58302), (18, 45346), (21, 38868), (28, 29151), (36, 22673), (41, 19908), (42, 19434), (63, 12956), (79, 10332), (82, 9954), (84, 9717), (123, 6636), (126, 6478), (158, 5166), (164, 4977), (237, 3444), (246, 3318), (252, 3239), (287, 2844), (316, 2583), (369, 2212), (474, 1722), (492, 1659), (553, 1476), (574, 1422), (711, 1148), (738, 1106), (861, 948)]