215041788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2309}}^1$

素因数の和:2531

約数の個数: 72

約数和(自身を含む): 588588000

約数和(自身を除く): 373546212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 199, 234, 398, 468, 597, 796, 1194, 1791, 2309, 2388, 2587, 3582, 4618, 5174, 6927, 7164, 7761, 9236, 10348, 13854, 15522, 20781, 23283, 27708, 30017, 31044, 41562, 46566, 60034, 83124, 90051, 93132, 120068, 180102, 270153, 360204, 459491, 540306, 918982, 1080612, 1378473, 1837964, 2756946, 4135419, 5513892, 5973383, 8270838, 11946766, 16541676, 17920149, 23893532, 35840298, 53760447, 71680596, 107520894, 215041788]

約数ペア:

[(1, 215041788), (2, 107520894), (3, 71680596), (4, 53760447), (6, 35840298), (9, 23893532), (12, 17920149), (13, 16541676), (18, 11946766), (26, 8270838), (36, 5973383), (39, 5513892), (52, 4135419), (78, 2756946), (117, 1837964), (156, 1378473), (199, 1080612), (234, 918982), (398, 540306), (468, 459491), (597, 360204), (796, 270153), (1194, 180102), (1791, 120068), (2309, 93132), (2388, 90051), (2587, 83124), (3582, 60034), (4618, 46566), (5174, 41562), (6927, 31044), (7164, 30017), (7761, 27708), (9236, 23283), (10348, 20781), (13854, 15522)]