131487228

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{419}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 348566400

約数和(自身を除く): 217079172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 379, 414, 419, 758, 828, 838, 1137, 1257, 1516, 1676, 2274, 2514, 3411, 3771, 4548, 5028, 6822, 7542, 8717, 9637, 13644, 15084, 17434, 19274, 26151, 28911, 34868, 38548, 52302, 57822, 78453, 86733, 104604, 115644, 156906, 158801, 173466, 313812, 317602, 346932, 476403, 635204, 952806, 1429209, 1905612, 2858418, 3652423, 5716836, 7304846, 10957269, 14609692, 21914538, 32871807, 43829076, 65743614, 131487228]

約数ペア:

[(1, 131487228), (2, 65743614), (3, 43829076), (4, 32871807), (6, 21914538), (9, 14609692), (12, 10957269), (18, 7304846), (23, 5716836), (36, 3652423), (46, 2858418), (69, 1905612), (92, 1429209), (138, 952806), (207, 635204), (276, 476403), (379, 346932), (414, 317602), (419, 313812), (758, 173466), (828, 158801), (838, 156906), (1137, 115644), (1257, 104604), (1516, 86733), (1676, 78453), (2274, 57822), (2514, 52302), (3411, 38548), (3771, 34868), (4548, 28911), (5028, 26151), (6822, 19274), (7542, 17434), (8717, 15084), (9637, 13644)]