28649456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 35632144

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 59, 62, 88, 89, 118, 124, 176, 178, 236, 248, 341, 356, 472, 496, 649, 682, 712, 944, 979, 1298, 1364, 1424, 1829, 1958, 2596, 2728, 2759, 3658, 3916, 5192, 5251, 5456, 5518, 7316, 7832, 10384, 10502, 11036, 14632, 15664, 20119, 21004, 22072, 29264, 30349, 40238, 42008, 44144, 57761, 60698, 80476, 84016, 115522, 121396, 160952, 162781, 231044, 242792, 321904, 325562, 462088, 485584, 651124, 924176, 1302248, 1790591, 2604496, 3581182, 7162364, 14324728, 28649456]

約数ペア:

[(1, 28649456), (2, 14324728), (4, 7162364), (8, 3581182), (11, 2604496), (16, 1790591), (22, 1302248), (31, 924176), (44, 651124), (59, 485584), (62, 462088), (88, 325562), (89, 321904), (118, 242792), (124, 231044), (176, 162781), (178, 160952), (236, 121396), (248, 115522), (341, 84016), (356, 80476), (472, 60698), (496, 57761), (649, 44144), (682, 42008), (712, 40238), (944, 30349), (979, 29264), (1298, 22072), (1364, 21004), (1424, 20119), (1829, 15664), (1958, 14632), (2596, 11036), (2728, 10502), (2759, 10384), (3658, 7832), (3916, 7316), (5192, 5518), (5251, 5456)]