726754756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{383}}^1\times {\mathrm{401}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 1581963264

約数和(自身を除く): 855208508

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 383, 401, 676, 766, 802, 1183, 1532, 1604, 2366, 2681, 2807, 4732, 4979, 5213, 5362, 5614, 9958, 10426, 10724, 11228, 19916, 20852, 34853, 36491, 64727, 67769, 69706, 72982, 129454, 135538, 139412, 145964, 153583, 258908, 271076, 307166, 453089, 474383, 614332, 906178, 948766, 1075081, 1812356, 1897532, 1996579, 2150162, 3993158, 4300324, 7986316, 13976053, 25955527, 27952106, 51911054, 55904212, 103822108, 181688689, 363377378, 726754756]

約数ペア:

[(1, 726754756), (2, 363377378), (4, 181688689), (7, 103822108), (13, 55904212), (14, 51911054), (26, 27952106), (28, 25955527), (52, 13976053), (91, 7986316), (169, 4300324), (182, 3993158), (338, 2150162), (364, 1996579), (383, 1897532), (401, 1812356), (676, 1075081), (766, 948766), (802, 906178), (1183, 614332), (1532, 474383), (1604, 453089), (2366, 307166), (2681, 271076), (2807, 258908), (4732, 153583), (4979, 145964), (5213, 139412), (5362, 135538), (5614, 129454), (9958, 72982), (10426, 69706), (10724, 67769), (11228, 64727), (19916, 36491), (20852, 34853)]