405978716

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 849921072

約数和(自身を除く): 443942356

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 113, 121, 143, 226, 242, 286, 452, 484, 571, 572, 1142, 1243, 1469, 1573, 2284, 2486, 2938, 3146, 4972, 5876, 6281, 6292, 7423, 12562, 13673, 14846, 16159, 25124, 27346, 29692, 32318, 54692, 64523, 64636, 69091, 81653, 129046, 138182, 163306, 177749, 258092, 276364, 326612, 355498, 709753, 710996, 838799, 898183, 1419506, 1677598, 1796366, 2839012, 3355196, 3592732, 7807283, 9226789, 15614566, 18453578, 31229132, 36907156, 101494679, 202989358, 405978716]

約数ペア:

[(1, 405978716), (2, 202989358), (4, 101494679), (11, 36907156), (13, 31229132), (22, 18453578), (26, 15614566), (44, 9226789), (52, 7807283), (113, 3592732), (121, 3355196), (143, 2839012), (226, 1796366), (242, 1677598), (286, 1419506), (452, 898183), (484, 838799), (571, 710996), (572, 709753), (1142, 355498), (1243, 326612), (1469, 276364), (1573, 258092), (2284, 177749), (2486, 163306), (2938, 138182), (3146, 129046), (4972, 81653), (5876, 69091), (6281, 64636), (6292, 64523), (7423, 54692), (12562, 32318), (13673, 29692), (14846, 27346), (16159, 25124)]