281077308

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{2371}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 738213840

約数和(自身を除く): 457136532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 89, 111, 148, 178, 222, 267, 333, 356, 444, 534, 666, 801, 1068, 1332, 1602, 2371, 3204, 3293, 4742, 6586, 7113, 9484, 9879, 13172, 14226, 19758, 21339, 28452, 29637, 39516, 42678, 59274, 85356, 87727, 118548, 175454, 211019, 263181, 350908, 422038, 526362, 633057, 789543, 844076, 1052724, 1266114, 1579086, 1899171, 2532228, 3158172, 3798342, 7596684, 7807703, 15615406, 23423109, 31230812, 46846218, 70269327, 93692436, 140538654, 281077308]

約数ペア:

[(1, 281077308), (2, 140538654), (3, 93692436), (4, 70269327), (6, 46846218), (9, 31230812), (12, 23423109), (18, 15615406), (36, 7807703), (37, 7596684), (74, 3798342), (89, 3158172), (111, 2532228), (148, 1899171), (178, 1579086), (222, 1266114), (267, 1052724), (333, 844076), (356, 789543), (444, 633057), (534, 526362), (666, 422038), (801, 350908), (1068, 263181), (1332, 211019), (1602, 175454), (2371, 118548), (3204, 87727), (3293, 85356), (4742, 59274), (6586, 42678), (7113, 39516), (9484, 29637), (9879, 28452), (13172, 21339), (14226, 19758)]