171985212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 515773440

約数和(自身を除く): 343788228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 79, 84, 106, 126, 158, 159, 163, 212, 237, 252, 316, 318, 326, 371, 474, 477, 489, 553, 636, 652, 711, 742, 948, 954, 978, 1106, 1113, 1141, 1422, 1467, 1484, 1659, 1908, 1956, 2212, 2226, 2282, 2844, 2934, 3318, 3339, 3423, 4187, 4452, 4564, 4977, 5868, 6636, 6678, 6846, 8374, 8639, 9954, 10269, 12561, 12877, 13356, 13692, 16748, 17278, 19908, 20538, 25122, 25754, 25917, 29309, 34556, 37683, 38631, 41076, 50244, 51508, 51834, 58618, 60473, 75366, 77262, 77751, 87927, 90139, 103668, 115893, 117236, 120946, 150732, 154524, 155502, 175854, 180278, 181419, 231786, 241892, 263781, 270417, 311004, 351708, 360556, 362838, 463572, 527562, 540834, 544257, 682481, 725676, 811251, 1055124, 1081668, 1088514, 1364962, 1622502, 2047443, 2177028, 2729924, 3245004, 4094886, 4777367, 6142329, 8189772, 9554734, 12284658, 14332101, 19109468, 24569316, 28664202, 42996303, 57328404, 85992606, 171985212]

約数ペア:

[(1, 171985212), (2, 85992606), (3, 57328404), (4, 42996303), (6, 28664202), (7, 24569316), (9, 19109468), (12, 14332101), (14, 12284658), (18, 9554734), (21, 8189772), (28, 6142329), (36, 4777367), (42, 4094886), (53, 3245004), (63, 2729924), (79, 2177028), (84, 2047443), (106, 1622502), (126, 1364962), (158, 1088514), (159, 1081668), (163, 1055124), (212, 811251), (237, 725676), (252, 682481), (316, 544257), (318, 540834), (326, 527562), (371, 463572), (474, 362838), (477, 360556), (489, 351708), (553, 311004), (636, 270417), (652, 263781), (711, 241892), (742, 231786), (948, 181419), (954, 180278), (978, 175854), (1106, 155502), (1113, 154524), (1141, 150732), (1422, 120946), (1467, 117236), (1484, 115893), (1659, 103668), (1908, 90139), (1956, 87927), (2212, 77751), (2226, 77262), (2282, 75366), (2844, 60473), (2934, 58618), (3318, 51834), (3339, 51508), (3423, 50244), (4187, 41076), (4452, 38631), (4564, 37683), (4977, 34556), (5868, 29309), (6636, 25917), (6678, 25754), (6846, 25122), (8374, 20538), (8639, 19908), (9954, 17278), (10269, 16748), (12561, 13692), (12877, 13356)]