261678222

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{853}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 688665600

約数和(自身を除く): 426987378

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 23, 26, 27, 38, 39, 46, 54, 57, 69, 78, 114, 117, 138, 171, 207, 234, 247, 299, 342, 351, 414, 437, 494, 513, 598, 621, 702, 741, 853, 874, 897, 1026, 1242, 1311, 1482, 1706, 1794, 2223, 2559, 2622, 2691, 3933, 4446, 5118, 5382, 5681, 6669, 7677, 7866, 8073, 11089, 11362, 11799, 13338, 15354, 16146, 16207, 17043, 19619, 22178, 23031, 23598, 32414, 33267, 34086, 39238, 46062, 48621, 51129, 58857, 66534, 97242, 99801, 102258, 117714, 145863, 153387, 176571, 199602, 210691, 255047, 291726, 299403, 306774, 353142, 372761, 421382, 437589, 510094, 529713, 598806, 632073, 745522, 765141, 875178, 1059426, 1118283, 1264146, 1530282, 1896219, 2236566, 2295423, 3354849, 3792438, 4590846, 4845893, 5688657, 6709698, 6886269, 9691786, 10064547, 11377314, 13772538, 14537679, 20129094, 29075358, 43613037, 87226074, 130839111, 261678222]

約数ペア:

[(1, 261678222), (2, 130839111), (3, 87226074), (6, 43613037), (9, 29075358), (13, 20129094), (18, 14537679), (19, 13772538), (23, 11377314), (26, 10064547), (27, 9691786), (38, 6886269), (39, 6709698), (46, 5688657), (54, 4845893), (57, 4590846), (69, 3792438), (78, 3354849), (114, 2295423), (117, 2236566), (138, 1896219), (171, 1530282), (207, 1264146), (234, 1118283), (247, 1059426), (299, 875178), (342, 765141), (351, 745522), (414, 632073), (437, 598806), (494, 529713), (513, 510094), (598, 437589), (621, 421382), (702, 372761), (741, 353142), (853, 306774), (874, 299403), (897, 291726), (1026, 255047), (1242, 210691), (1311, 199602), (1482, 176571), (1706, 153387), (1794, 145863), (2223, 117714), (2559, 102258), (2622, 99801), (2691, 97242), (3933, 66534), (4446, 58857), (5118, 51129), (5382, 48621), (5681, 46062), (6669, 39238), (7677, 34086), (7866, 33267), (8073, 32414), (11089, 23598), (11362, 23031), (11799, 22178), (13338, 19619), (15354, 17043), (16146, 16207)]