7427238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 18665472

約数和(自身を除く): 11238234

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 223, 273, 366, 427, 446, 546, 669, 793, 854, 1281, 1338, 1561, 1586, 2379, 2562, 2899, 3122, 4683, 4758, 5551, 5798, 8697, 9366, 11102, 13603, 16653, 17394, 20293, 27206, 33306, 40586, 40809, 60879, 81618, 95221, 121758, 176839, 190442, 285663, 353678, 530517, 571326, 1061034, 1237873, 2475746, 3713619, 7427238]

約数ペア:

[(1, 7427238), (2, 3713619), (3, 2475746), (6, 1237873), (7, 1061034), (13, 571326), (14, 530517), (21, 353678), (26, 285663), (39, 190442), (42, 176839), (61, 121758), (78, 95221), (91, 81618), (122, 60879), (182, 40809), (183, 40586), (223, 33306), (273, 27206), (366, 20293), (427, 17394), (446, 16653), (546, 13603), (669, 11102), (793, 9366), (854, 8697), (1281, 5798), (1338, 5551), (1561, 4758), (1586, 4683), (2379, 3122), (2562, 2899)]