181401968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3191}}^1$

素因数の和:3246

約数の個数: 80

約数和(自身を含む): 427472640

約数和(自身を除く): 246070672

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 34, 38, 44, 68, 76, 88, 136, 152, 176, 187, 209, 272, 304, 323, 374, 418, 646, 748, 836, 1292, 1496, 1672, 2584, 2992, 3191, 3344, 3553, 5168, 6382, 7106, 12764, 14212, 25528, 28424, 35101, 51056, 54247, 56848, 60629, 70202, 108494, 121258, 140404, 216988, 242516, 280808, 433976, 485032, 561616, 596717, 666919, 867952, 970064, 1030693, 1193434, 1333838, 2061386, 2386868, 2667676, 4122772, 4773736, 5335352, 8245544, 9547472, 10670704, 11337623, 16491088, 22675246, 45350492, 90700984, 181401968]

約数ペア:

[(1, 181401968), (2, 90700984), (4, 45350492), (8, 22675246), (11, 16491088), (16, 11337623), (17, 10670704), (19, 9547472), (22, 8245544), (34, 5335352), (38, 4773736), (44, 4122772), (68, 2667676), (76, 2386868), (88, 2061386), (136, 1333838), (152, 1193434), (176, 1030693), (187, 970064), (209, 867952), (272, 666919), (304, 596717), (323, 561616), (374, 485032), (418, 433976), (646, 280808), (748, 242516), (836, 216988), (1292, 140404), (1496, 121258), (1672, 108494), (2584, 70202), (2992, 60629), (3191, 56848), (3344, 54247), (3553, 51056), (5168, 35101), (6382, 28424), (7106, 25528), (12764, 14212)]