1212996904

素因数分解:

$2^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 2633702400

約数和(自身を除く): 1420705496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 137, 223, 274, 446, 548, 709, 892, 959, 1096, 1418, 1561, 1784, 1918, 2836, 3122, 3836, 4963, 5672, 6244, 7672, 9926, 12488, 19852, 30551, 39704, 61102, 97133, 122204, 158107, 194266, 213857, 244408, 316214, 388532, 427714, 632428, 679931, 777064, 855428, 1106749, 1264856, 1359862, 1710856, 2213498, 2719724, 4426996, 5439448, 8853992, 21660659, 43321318, 86642636, 151624613, 173285272, 303249226, 606498452, 1212996904]

約数ペア:

[(1, 1212996904), (2, 606498452), (4, 303249226), (7, 173285272), (8, 151624613), (14, 86642636), (28, 43321318), (56, 21660659), (137, 8853992), (223, 5439448), (274, 4426996), (446, 2719724), (548, 2213498), (709, 1710856), (892, 1359862), (959, 1264856), (1096, 1106749), (1418, 855428), (1561, 777064), (1784, 679931), (1918, 632428), (2836, 427714), (3122, 388532), (3836, 316214), (4963, 244408), (5672, 213857), (6244, 194266), (7672, 158107), (9926, 122204), (12488, 97133), (19852, 61102), (30551, 39704)]