28900326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1291}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 72930816

約数和(自身を除く): 44030490

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 182, 246, 273, 287, 533, 546, 574, 861, 1066, 1291, 1599, 1722, 2582, 3198, 3731, 3873, 7462, 7746, 9037, 11193, 16783, 18074, 22386, 27111, 33566, 50349, 52931, 54222, 100698, 105862, 117481, 158793, 234962, 317586, 352443, 370517, 688103, 704886, 741034, 1111551, 1376206, 2064309, 2223102, 4128618, 4816721, 9633442, 14450163, 28900326]

約数ペア:

[(1, 28900326), (2, 14450163), (3, 9633442), (6, 4816721), (7, 4128618), (13, 2223102), (14, 2064309), (21, 1376206), (26, 1111551), (39, 741034), (41, 704886), (42, 688103), (78, 370517), (82, 352443), (91, 317586), (123, 234962), (182, 158793), (246, 117481), (273, 105862), (287, 100698), (533, 54222), (546, 52931), (574, 50349), (861, 33566), (1066, 27111), (1291, 22386), (1599, 18074), (1722, 16783), (2582, 11193), (3198, 9037), (3731, 7746), (3873, 7462)]