249751548

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:867

約数の個数: 72

約数和(自身を含む): 644978880

約数和(自身を除く): 395227332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 137, 158, 237, 274, 316, 411, 474, 548, 641, 711, 822, 948, 1233, 1282, 1422, 1644, 1923, 2466, 2564, 2844, 3846, 4932, 5769, 7692, 10823, 11538, 21646, 23076, 32469, 43292, 50639, 64938, 87817, 97407, 101278, 129876, 151917, 175634, 194814, 202556, 263451, 303834, 351268, 389628, 455751, 526902, 607668, 790353, 911502, 1053804, 1580706, 1823004, 3161412, 6937543, 13875086, 20812629, 27750172, 41625258, 62437887, 83250516, 124875774, 249751548]

約数ペア:

[(1, 249751548), (2, 124875774), (3, 83250516), (4, 62437887), (6, 41625258), (9, 27750172), (12, 20812629), (18, 13875086), (36, 6937543), (79, 3161412), (137, 1823004), (158, 1580706), (237, 1053804), (274, 911502), (316, 790353), (411, 607668), (474, 526902), (548, 455751), (641, 389628), (711, 351268), (822, 303834), (948, 263451), (1233, 202556), (1282, 194814), (1422, 175634), (1644, 151917), (1923, 129876), (2466, 101278), (2564, 97407), (2844, 87817), (3846, 64938), (4932, 50639), (5769, 43292), (7692, 32469), (10823, 23076), (11538, 21646)]