397215677624

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{1061}}^1\times {\mathrm{2521}}^1$

素因数の和:4584

約数の個数: 64

約数和(自身を含む): 785831997600

約数和(自身を除く): 388616319976

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 977, 1061, 1954, 2122, 2521, 3908, 4244, 5042, 7816, 8488, 10084, 18563, 20159, 20168, 37126, 40318, 47899, 74252, 80636, 95798, 148504, 161272, 191596, 383192, 1036597, 2073194, 2463017, 2674781, 4146388, 4926034, 5349562, 8292776, 9852068, 10699124, 19695343, 19704136, 21398248, 39390686, 46797323, 50820839, 78781372, 93594646, 101641678, 157562744, 187189292, 203283356, 374378584, 406566712, 2613261037, 5226522074, 10453044148, 20906088296, 49651959703, 99303919406, 198607838812, 397215677624]

約数ペア:

[(1, 397215677624), (2, 198607838812), (4, 99303919406), (8, 49651959703), (19, 20906088296), (38, 10453044148), (76, 5226522074), (152, 2613261037), (977, 406566712), (1061, 374378584), (1954, 203283356), (2122, 187189292), (2521, 157562744), (3908, 101641678), (4244, 93594646), (5042, 78781372), (7816, 50820839), (8488, 46797323), (10084, 39390686), (18563, 21398248), (20159, 19704136), (20168, 19695343), (37126, 10699124), (40318, 9852068), (47899, 8292776), (74252, 5349562), (80636, 4926034), (95798, 4146388), (148504, 2674781), (161272, 2463017), (191596, 2073194), (383192, 1036597)]