505908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 1467648

約数和(自身を除く): 961740

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 47, 52, 69, 78, 92, 94, 117, 138, 141, 156, 188, 207, 234, 276, 282, 299, 414, 423, 468, 564, 598, 611, 828, 846, 897, 1081, 1196, 1222, 1692, 1794, 1833, 2162, 2444, 2691, 3243, 3588, 3666, 4324, 5382, 5499, 6486, 7332, 9729, 10764, 10998, 12972, 14053, 19458, 21996, 28106, 38916, 42159, 56212, 84318, 126477, 168636, 252954, 505908]

約数ペア:

[(1, 505908), (2, 252954), (3, 168636), (4, 126477), (6, 84318), (9, 56212), (12, 42159), (13, 38916), (18, 28106), (23, 21996), (26, 19458), (36, 14053), (39, 12972), (46, 10998), (47, 10764), (52, 9729), (69, 7332), (78, 6486), (92, 5499), (94, 5382), (117, 4324), (138, 3666), (141, 3588), (156, 3243), (188, 2691), (207, 2444), (234, 2162), (276, 1833), (282, 1794), (299, 1692), (414, 1222), (423, 1196), (468, 1081), (564, 897), (598, 846), (611, 828)]