388372216

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 780595200

約数和(自身を除く): 392222984

約数列:

[1, 2, 4, 8, 31, 43, 62, 79, 86, 124, 158, 172, 248, 316, 344, 461, 632, 922, 1333, 1844, 2449, 2666, 3397, 3688, 4898, 5332, 6794, 9796, 10664, 13588, 14291, 19592, 19823, 27176, 28582, 36419, 39646, 57164, 72838, 79292, 105307, 114328, 145676, 158584, 210614, 291352, 421228, 614513, 842456, 1128989, 1229026, 1566017, 2257978, 2458052, 3132034, 4515956, 4916104, 6264068, 9031912, 12528136, 48546527, 97093054, 194186108, 388372216]

約数ペア:

[(1, 388372216), (2, 194186108), (4, 97093054), (8, 48546527), (31, 12528136), (43, 9031912), (62, 6264068), (79, 4916104), (86, 4515956), (124, 3132034), (158, 2458052), (172, 2257978), (248, 1566017), (316, 1229026), (344, 1128989), (461, 842456), (632, 614513), (922, 421228), (1333, 291352), (1844, 210614), (2449, 158584), (2666, 145676), (3397, 114328), (3688, 105307), (4898, 79292), (5332, 72838), (6794, 57164), (9796, 39646), (10664, 36419), (13588, 28582), (14291, 27176), (19592, 19823)]