191243988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 551591040

約数和(自身を除く): 360347052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 109, 117, 138, 156, 163, 207, 218, 234, 276, 299, 326, 327, 414, 436, 468, 489, 598, 652, 654, 828, 897, 978, 981, 1196, 1308, 1417, 1467, 1794, 1956, 1962, 2119, 2507, 2691, 2834, 2934, 3588, 3749, 3924, 4238, 4251, 5014, 5382, 5668, 5868, 6357, 7498, 7521, 8476, 8502, 10028, 10764, 11247, 12714, 12753, 14996, 15042, 17004, 17767, 19071, 22494, 22563, 25428, 25506, 30084, 32591, 33741, 35534, 38142, 44988, 45126, 48737, 51012, 53301, 65182, 67482, 71068, 76284, 90252, 97474, 97773, 106602, 130364, 134964, 146211, 159903, 194948, 195546, 213204, 230971, 292422, 293319, 319806, 391092, 408641, 438633, 461942, 584844, 586638, 639612, 692913, 817282, 877266, 923884, 1173276, 1225923, 1385826, 1634564, 1754532, 2078739, 2451846, 2771652, 3677769, 4157478, 4903692, 5312333, 7355538, 8314956, 10624666, 14711076, 15936999, 21249332, 31873998, 47810997, 63747996, 95621994, 191243988]

約数ペア:

[(1, 191243988), (2, 95621994), (3, 63747996), (4, 47810997), (6, 31873998), (9, 21249332), (12, 15936999), (13, 14711076), (18, 10624666), (23, 8314956), (26, 7355538), (36, 5312333), (39, 4903692), (46, 4157478), (52, 3677769), (69, 2771652), (78, 2451846), (92, 2078739), (109, 1754532), (117, 1634564), (138, 1385826), (156, 1225923), (163, 1173276), (207, 923884), (218, 877266), (234, 817282), (276, 692913), (299, 639612), (326, 586638), (327, 584844), (414, 461942), (436, 438633), (468, 408641), (489, 391092), (598, 319806), (652, 293319), (654, 292422), (828, 230971), (897, 213204), (978, 195546), (981, 194948), (1196, 159903), (1308, 146211), (1417, 134964), (1467, 130364), (1794, 106602), (1956, 97773), (1962, 97474), (2119, 90252), (2507, 76284), (2691, 71068), (2834, 67482), (2934, 65182), (3588, 53301), (3749, 51012), (3924, 48737), (4238, 45126), (4251, 44988), (5014, 38142), (5382, 35534), (5668, 33741), (5868, 32591), (6357, 30084), (7498, 25506), (7521, 25428), (8476, 22563), (8502, 22494), (10028, 19071), (10764, 17767), (11247, 17004), (12714, 15042), (12753, 14996)]