28831528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 61871040

約数和(自身を除く): 33039512

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 61, 82, 88, 122, 131, 164, 244, 262, 328, 451, 488, 524, 671, 902, 1048, 1342, 1441, 1804, 2501, 2684, 2882, 3608, 5002, 5368, 5371, 5764, 7991, 10004, 10742, 11528, 15982, 20008, 21484, 27511, 31964, 42968, 55022, 59081, 63928, 87901, 110044, 118162, 175802, 220088, 236324, 327631, 351604, 472648, 655262, 703208, 1310524, 2621048, 3603941, 7207882, 14415764, 28831528]

約数ペア:

[(1, 28831528), (2, 14415764), (4, 7207882), (8, 3603941), (11, 2621048), (22, 1310524), (41, 703208), (44, 655262), (61, 472648), (82, 351604), (88, 327631), (122, 236324), (131, 220088), (164, 175802), (244, 118162), (262, 110044), (328, 87901), (451, 63928), (488, 59081), (524, 55022), (671, 42968), (902, 31964), (1048, 27511), (1342, 21484), (1441, 20008), (1804, 15982), (2501, 11528), (2684, 10742), (2882, 10004), (3608, 7991), (5002, 5764), (5368, 5371)]