201231485

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 328188672

約数和(自身を除く): 126957187

約数列:

[1, 5, 7, 13, 23, 35, 41, 49, 65, 67, 91, 115, 161, 205, 245, 287, 299, 335, 455, 469, 533, 637, 805, 871, 943, 1127, 1435, 1495, 1541, 2009, 2093, 2345, 2665, 2747, 3185, 3283, 3731, 4355, 4715, 5635, 6097, 6601, 7705, 10045, 10465, 10787, 12259, 13735, 14651, 16415, 18655, 19229, 20033, 26117, 30485, 33005, 35711, 42679, 46207, 53935, 61295, 63181, 73255, 75509, 85813, 96145, 100165, 130585, 134603, 140231, 178555, 213395, 231035, 249977, 315905, 377545, 429065, 442267, 600691, 673015, 701155, 821353, 981617, 1249885, 1749839, 2211335, 3003455, 3095869, 4106765, 4908085, 5749471, 8749195, 15479345, 28747355, 40246297, 201231485]

約数ペア:

[(1, 201231485), (5, 40246297), (7, 28747355), (13, 15479345), (23, 8749195), (35, 5749471), (41, 4908085), (49, 4106765), (65, 3095869), (67, 3003455), (91, 2211335), (115, 1749839), (161, 1249885), (205, 981617), (245, 821353), (287, 701155), (299, 673015), (335, 600691), (455, 442267), (469, 429065), (533, 377545), (637, 315905), (805, 249977), (871, 231035), (943, 213395), (1127, 178555), (1435, 140231), (1495, 134603), (1541, 130585), (2009, 100165), (2093, 96145), (2345, 85813), (2665, 75509), (2747, 73255), (3185, 63181), (3283, 61295), (3731, 53935), (4355, 46207), (4715, 42679), (5635, 35711), (6097, 33005), (6601, 30485), (7705, 26117), (10045, 20033), (10465, 19229), (10787, 18655), (12259, 16415), (13735, 14651)]