28990728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 96

約数和(自身を含む): 86486400

約数和(自身を除く): 57495672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 47, 52, 72, 78, 94, 104, 117, 141, 156, 188, 234, 282, 312, 376, 423, 468, 564, 611, 659, 846, 936, 1128, 1222, 1318, 1692, 1833, 1977, 2444, 2636, 3384, 3666, 3954, 4888, 5272, 5499, 5931, 7332, 7908, 8567, 10998, 11862, 14664, 15816, 17134, 21996, 23724, 25701, 30973, 34268, 43992, 47448, 51402, 61946, 68536, 77103, 92919, 102804, 123892, 154206, 185838, 205608, 247784, 278757, 308412, 371676, 402649, 557514, 616824, 743352, 805298, 1115028, 1207947, 1610596, 2230056, 2415894, 3221192, 3623841, 4831788, 7247682, 9663576, 14495364, 28990728]

約数ペア:

[(1, 28990728), (2, 14495364), (3, 9663576), (4, 7247682), (6, 4831788), (8, 3623841), (9, 3221192), (12, 2415894), (13, 2230056), (18, 1610596), (24, 1207947), (26, 1115028), (36, 805298), (39, 743352), (47, 616824), (52, 557514), (72, 402649), (78, 371676), (94, 308412), (104, 278757), (117, 247784), (141, 205608), (156, 185838), (188, 154206), (234, 123892), (282, 102804), (312, 92919), (376, 77103), (423, 68536), (468, 61946), (564, 51402), (611, 47448), (659, 43992), (846, 34268), (936, 30973), (1128, 25701), (1222, 23724), (1318, 21996), (1692, 17134), (1833, 15816), (1977, 14664), (2444, 11862), (2636, 10998), (3384, 8567), (3666, 7908), (3954, 7332), (4888, 5931), (5272, 5499)]