256932016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1202

約数の個数: 80

約数和(自身を含む): 582819840

約数和(自身を除く): 325887824

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 79, 88, 136, 158, 176, 187, 272, 316, 374, 632, 748, 869, 1087, 1264, 1343, 1496, 1738, 2174, 2686, 2992, 3476, 4348, 5372, 6952, 8696, 10744, 11957, 13904, 14773, 17392, 18479, 21488, 23914, 29546, 36958, 47828, 59092, 73916, 85873, 95656, 118184, 147832, 171746, 191312, 203269, 236368, 295664, 343492, 406538, 686984, 813076, 944603, 1373968, 1459841, 1626152, 1889206, 2919682, 3252304, 3778412, 5839364, 7556824, 11678728, 15113648, 16058251, 23357456, 32116502, 64233004, 128466008, 256932016]

約数ペア:

[(1, 256932016), (2, 128466008), (4, 64233004), (8, 32116502), (11, 23357456), (16, 16058251), (17, 15113648), (22, 11678728), (34, 7556824), (44, 5839364), (68, 3778412), (79, 3252304), (88, 2919682), (136, 1889206), (158, 1626152), (176, 1459841), (187, 1373968), (272, 944603), (316, 813076), (374, 686984), (632, 406538), (748, 343492), (869, 295664), (1087, 236368), (1264, 203269), (1343, 191312), (1496, 171746), (1738, 147832), (2174, 118184), (2686, 95656), (2992, 85873), (3476, 73916), (4348, 59092), (5372, 47828), (6952, 36958), (8696, 29546), (10744, 23914), (11957, 21488), (13904, 18479), (14773, 17392)]