239702918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{331}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 465841152

約数和(自身を除く): 226138234

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 173, 182, 299, 322, 331, 346, 598, 662, 1211, 2093, 2249, 2317, 2422, 3979, 4186, 4303, 4498, 4634, 7613, 7958, 8606, 15226, 15743, 27853, 30121, 31486, 51727, 53291, 55706, 57263, 60242, 98969, 103454, 106582, 114526, 197938, 362089, 400841, 692783, 724178, 744419, 801682, 1317049, 1385566, 1488838, 2634098, 5210933, 9219343, 10421866, 17121637, 18438686, 34243274, 119851459, 239702918]

約数ペア:

[(1, 239702918), (2, 119851459), (7, 34243274), (13, 18438686), (14, 17121637), (23, 10421866), (26, 9219343), (46, 5210933), (91, 2634098), (161, 1488838), (173, 1385566), (182, 1317049), (299, 801682), (322, 744419), (331, 724178), (346, 692783), (598, 400841), (662, 362089), (1211, 197938), (2093, 114526), (2249, 106582), (2317, 103454), (2422, 98969), (3979, 60242), (4186, 57263), (4303, 55706), (4498, 53291), (4634, 51727), (7613, 31486), (7958, 30121), (8606, 27853), (15226, 15743)]