28423908

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 74535552

約数和(自身を除く): 46111644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 107, 141, 157, 188, 214, 282, 314, 321, 423, 428, 471, 564, 628, 642, 846, 942, 963, 1284, 1413, 1692, 1884, 1926, 2826, 3852, 5029, 5652, 7379, 10058, 14758, 15087, 16799, 20116, 22137, 29516, 30174, 33598, 44274, 45261, 50397, 60348, 66411, 67196, 88548, 90522, 100794, 132822, 151191, 181044, 201588, 265644, 302382, 604764, 789553, 1579106, 2368659, 3158212, 4737318, 7105977, 9474636, 14211954, 28423908]

約数ペア:

[(1, 28423908), (2, 14211954), (3, 9474636), (4, 7105977), (6, 4737318), (9, 3158212), (12, 2368659), (18, 1579106), (36, 789553), (47, 604764), (94, 302382), (107, 265644), (141, 201588), (157, 181044), (188, 151191), (214, 132822), (282, 100794), (314, 90522), (321, 88548), (423, 67196), (428, 66411), (471, 60348), (564, 50397), (628, 45261), (642, 44274), (846, 33598), (942, 30174), (963, 29516), (1284, 22137), (1413, 20116), (1692, 16799), (1884, 15087), (1926, 14758), (2826, 10058), (3852, 7379), (5029, 5652)]