28422828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 85442448

約数和(自身を除く): 57019620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 61, 63, 84, 86, 122, 126, 129, 172, 183, 244, 252, 258, 301, 366, 387, 427, 516, 549, 602, 732, 774, 854, 903, 1098, 1204, 1281, 1548, 1708, 1806, 1849, 2196, 2562, 2623, 2709, 3612, 3698, 3843, 5124, 5246, 5418, 5547, 7396, 7686, 7869, 10492, 10836, 11094, 12943, 15372, 15738, 16641, 18361, 22188, 23607, 25886, 31476, 33282, 36722, 38829, 47214, 51772, 55083, 66564, 73444, 77658, 94428, 110166, 112789, 116487, 155316, 165249, 220332, 225578, 232974, 330498, 338367, 451156, 465948, 660996, 676734, 789523, 1015101, 1353468, 1579046, 2030202, 2368569, 3158092, 4060404, 4737138, 7105707, 9474276, 14211414, 28422828]

約数ペア:

[(1, 28422828), (2, 14211414), (3, 9474276), (4, 7105707), (6, 4737138), (7, 4060404), (9, 3158092), (12, 2368569), (14, 2030202), (18, 1579046), (21, 1353468), (28, 1015101), (36, 789523), (42, 676734), (43, 660996), (61, 465948), (63, 451156), (84, 338367), (86, 330498), (122, 232974), (126, 225578), (129, 220332), (172, 165249), (183, 155316), (244, 116487), (252, 112789), (258, 110166), (301, 94428), (366, 77658), (387, 73444), (427, 66564), (516, 55083), (549, 51772), (602, 47214), (732, 38829), (774, 36722), (854, 33282), (903, 31476), (1098, 25886), (1204, 23607), (1281, 22188), (1548, 18361), (1708, 16641), (1806, 15738), (1849, 15372), (2196, 12943), (2562, 11094), (2623, 10836), (2709, 10492), (3612, 7869), (3698, 7686), (3843, 7396), (5124, 5547), (5246, 5418)]