201621272

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 204804328

約数列:

[1, 2, 4, 8, 31, 41, 62, 79, 82, 124, 158, 164, 248, 251, 316, 328, 502, 632, 1004, 1271, 2008, 2449, 2542, 3239, 4898, 5084, 6478, 7781, 9796, 10168, 10291, 12956, 15562, 19592, 19829, 20582, 25912, 31124, 39658, 41164, 62248, 79316, 82328, 100409, 158632, 200818, 319021, 401636, 614699, 638042, 803272, 812989, 1229398, 1276084, 1625978, 2458796, 2552168, 3251956, 4917592, 6503912, 25202659, 50405318, 100810636, 201621272]

約数ペア:

[(1, 201621272), (2, 100810636), (4, 50405318), (8, 25202659), (31, 6503912), (41, 4917592), (62, 3251956), (79, 2552168), (82, 2458796), (124, 1625978), (158, 1276084), (164, 1229398), (248, 812989), (251, 803272), (316, 638042), (328, 614699), (502, 401636), (632, 319021), (1004, 200818), (1271, 158632), (2008, 100409), (2449, 82328), (2542, 79316), (3239, 62248), (4898, 41164), (5084, 39658), (6478, 31124), (7781, 25912), (9796, 20582), (10168, 19829), (10291, 19592), (12956, 15562)]