9902984

素因数分解:

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

素因数の和:310

約数の個数: 64

約数和(自身を含む): 23331840

約数和(自身を除く): 13428856

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 61, 91, 104, 122, 182, 223, 244, 364, 427, 446, 488, 728, 793, 854, 892, 1561, 1586, 1708, 1784, 2899, 3122, 3172, 3416, 5551, 5798, 6244, 6344, 11102, 11596, 12488, 13603, 20293, 22204, 23192, 27206, 40586, 44408, 54412, 81172, 95221, 108824, 162344, 176839, 190442, 353678, 380884, 707356, 761768, 1237873, 1414712, 2475746, 4951492, 9902984]

約数ペア:

[(1, 9902984), (2, 4951492), (4, 2475746), (7, 1414712), (8, 1237873), (13, 761768), (14, 707356), (26, 380884), (28, 353678), (52, 190442), (56, 176839), (61, 162344), (91, 108824), (104, 95221), (122, 81172), (182, 54412), (223, 44408), (244, 40586), (364, 27206), (427, 23192), (446, 22204), (488, 20293), (728, 13603), (793, 12488), (854, 11596), (892, 11102), (1561, 6344), (1586, 6244), (1708, 5798), (1784, 5551), (2899, 3416), (3122, 3172)]