890200908

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{222773}}^1$

素因数の和:222823

約数の個数: 48

約数和(自身を含む): 2370315360

約数和(自身を除く): 1480114452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 222773, 445546, 668319, 891092, 1336638, 2004957, 2673276, 4009914, 6014871, 8019828, 8242601, 12029742, 16485202, 24059484, 24727803, 32970404, 49455606, 74183409, 98911212, 148366818, 222550227, 296733636, 445100454, 890200908]

約数ペア:

[(1, 890200908), (2, 445100454), (3, 296733636), (4, 222550227), (6, 148366818), (9, 98911212), (12, 74183409), (18, 49455606), (27, 32970404), (36, 24727803), (37, 24059484), (54, 16485202), (74, 12029742), (108, 8242601), (111, 8019828), (148, 6014871), (222, 4009914), (333, 2673276), (444, 2004957), (666, 1336638), (999, 891092), (1332, 668319), (1998, 445546), (3996, 222773)]