31243394

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 29720446

約数列:

[1, 2, 7, 13, 14, 26, 41, 53, 79, 82, 91, 106, 158, 182, 287, 371, 533, 553, 574, 689, 742, 1027, 1066, 1106, 1378, 2054, 2173, 3239, 3731, 4187, 4346, 4823, 6478, 7189, 7462, 8374, 9646, 14378, 15211, 22673, 28249, 29309, 30422, 42107, 45346, 54431, 56498, 58618, 84214, 108862, 171667, 197743, 294749, 343334, 381017, 395486, 589498, 762034, 1201669, 2231671, 2403338, 4463342, 15621697, 31243394]

約数ペア:

[(1, 31243394), (2, 15621697), (7, 4463342), (13, 2403338), (14, 2231671), (26, 1201669), (41, 762034), (53, 589498), (79, 395486), (82, 381017), (91, 343334), (106, 294749), (158, 197743), (182, 171667), (287, 108862), (371, 84214), (533, 58618), (553, 56498), (574, 54431), (689, 45346), (742, 42107), (1027, 30422), (1066, 29309), (1106, 28249), (1378, 22673), (2054, 15211), (2173, 14378), (3239, 9646), (3731, 8374), (4187, 7462), (4346, 7189), (4823, 6478)]