28400424

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 76991040

約数和(自身を除く): 48590616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 227, 312, 401, 454, 681, 802, 908, 1203, 1362, 1604, 1816, 2406, 2724, 2951, 3208, 4812, 5213, 5448, 5902, 8853, 9624, 10426, 11804, 15639, 17706, 20852, 23608, 31278, 35412, 41704, 62556, 70824, 91027, 125112, 182054, 273081, 364108, 546162, 728216, 1092324, 1183351, 2184648, 2366702, 3550053, 4733404, 7100106, 9466808, 14200212, 28400424]

約数ペア:

[(1, 28400424), (2, 14200212), (3, 9466808), (4, 7100106), (6, 4733404), (8, 3550053), (12, 2366702), (13, 2184648), (24, 1183351), (26, 1092324), (39, 728216), (52, 546162), (78, 364108), (104, 273081), (156, 182054), (227, 125112), (312, 91027), (401, 70824), (454, 62556), (681, 41704), (802, 35412), (908, 31278), (1203, 23608), (1362, 20852), (1604, 17706), (1816, 15639), (2406, 11804), (2724, 10426), (2951, 9624), (3208, 8853), (4812, 5902), (5213, 5448)]