78991164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{947}}^1$

素因数の和:1295

約数の個数: 72

約数和(自身を含む): 229127808

約数和(自身を除く): 150136644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 331, 662, 947, 993, 1324, 1894, 1986, 2317, 2841, 2979, 3788, 3972, 4634, 5682, 5958, 6629, 6951, 8523, 9268, 11364, 11916, 13258, 13902, 17046, 19887, 20853, 26516, 27804, 34092, 39774, 41706, 59661, 79548, 83412, 119322, 238644, 313457, 626914, 940371, 1253828, 1880742, 2194199, 2821113, 3761484, 4388398, 5642226, 6582597, 8776796, 11284452, 13165194, 19747791, 26330388, 39495582, 78991164]

約数ペア:

[(1, 78991164), (2, 39495582), (3, 26330388), (4, 19747791), (6, 13165194), (7, 11284452), (9, 8776796), (12, 6582597), (14, 5642226), (18, 4388398), (21, 3761484), (28, 2821113), (36, 2194199), (42, 1880742), (63, 1253828), (84, 940371), (126, 626914), (252, 313457), (331, 238644), (662, 119322), (947, 83412), (993, 79548), (1324, 59661), (1894, 41706), (1986, 39774), (2317, 34092), (2841, 27804), (2979, 26516), (3788, 20853), (3972, 19887), (4634, 17046), (5682, 13902), (5958, 13258), (6629, 11916), (6951, 11364), (8523, 9268)]