77843948

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 172674432

約数和(自身を除く): 94830484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 137, 182, 196, 223, 274, 364, 446, 548, 637, 892, 959, 1274, 1561, 1781, 1918, 2548, 2899, 3122, 3562, 3836, 5798, 6244, 6713, 7124, 10927, 11596, 12467, 13426, 20293, 21854, 24934, 26852, 30551, 40586, 43708, 49868, 61102, 81172, 87269, 122204, 142051, 174538, 213857, 284102, 349076, 397163, 427714, 568204, 794326, 855428, 1496999, 1588652, 2780141, 2993998, 5560282, 5987996, 11120564, 19460987, 38921974, 77843948]

約数ペア:

[(1, 77843948), (2, 38921974), (4, 19460987), (7, 11120564), (13, 5987996), (14, 5560282), (26, 2993998), (28, 2780141), (49, 1588652), (52, 1496999), (91, 855428), (98, 794326), (137, 568204), (182, 427714), (196, 397163), (223, 349076), (274, 284102), (364, 213857), (446, 174538), (548, 142051), (637, 122204), (892, 87269), (959, 81172), (1274, 61102), (1561, 49868), (1781, 43708), (1918, 40586), (2548, 30551), (2899, 26852), (3122, 24934), (3562, 21854), (3836, 20293), (5798, 13426), (6244, 12467), (6713, 11596), (7124, 10927)]