28709772

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 83994624

約数和(自身を除く): 55284852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 61, 78, 84, 91, 122, 156, 182, 183, 244, 273, 364, 366, 427, 431, 546, 732, 793, 854, 862, 1092, 1281, 1293, 1586, 1708, 1724, 2379, 2562, 2586, 3017, 3172, 4758, 5124, 5172, 5551, 5603, 6034, 9051, 9516, 11102, 11206, 12068, 16653, 16809, 18102, 22204, 22412, 26291, 33306, 33618, 36204, 39221, 52582, 66612, 67236, 78442, 78873, 105164, 117663, 156884, 157746, 184037, 235326, 315492, 341783, 368074, 470652, 552111, 683566, 736148, 1025349, 1104222, 1367132, 2050698, 2208444, 2392481, 4101396, 4784962, 7177443, 9569924, 14354886, 28709772]

約数ペア:

[(1, 28709772), (2, 14354886), (3, 9569924), (4, 7177443), (6, 4784962), (7, 4101396), (12, 2392481), (13, 2208444), (14, 2050698), (21, 1367132), (26, 1104222), (28, 1025349), (39, 736148), (42, 683566), (52, 552111), (61, 470652), (78, 368074), (84, 341783), (91, 315492), (122, 235326), (156, 184037), (182, 157746), (183, 156884), (244, 117663), (273, 105164), (364, 78873), (366, 78442), (427, 67236), (431, 66612), (546, 52582), (732, 39221), (793, 36204), (854, 33618), (862, 33306), (1092, 26291), (1281, 22412), (1293, 22204), (1586, 18102), (1708, 16809), (1724, 16653), (2379, 12068), (2562, 11206), (2586, 11102), (3017, 9516), (3172, 9051), (4758, 6034), (5124, 5603), (5172, 5551)]