31152212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 71180928

約数和(自身を除く): 40028716

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 61, 91, 92, 122, 161, 182, 244, 299, 322, 364, 427, 598, 644, 793, 854, 1196, 1403, 1586, 1708, 2093, 2806, 3172, 3721, 4186, 5551, 5612, 7442, 8372, 9821, 11102, 14884, 18239, 19642, 22204, 26047, 36478, 39284, 48373, 52094, 72956, 85583, 96746, 104188, 127673, 171166, 193492, 255346, 338611, 342332, 510692, 599081, 677222, 1112579, 1198162, 1354444, 2225158, 2396324, 4450316, 7788053, 15576106, 31152212]

約数ペア:

[(1, 31152212), (2, 15576106), (4, 7788053), (7, 4450316), (13, 2396324), (14, 2225158), (23, 1354444), (26, 1198162), (28, 1112579), (46, 677222), (52, 599081), (61, 510692), (91, 342332), (92, 338611), (122, 255346), (161, 193492), (182, 171166), (244, 127673), (299, 104188), (322, 96746), (364, 85583), (427, 72956), (598, 52094), (644, 48373), (793, 39284), (854, 36478), (1196, 26047), (1403, 22204), (1586, 19642), (1708, 18239), (2093, 14884), (2806, 11102), (3172, 9821), (3721, 8372), (4186, 7442), (5551, 5612)]