28654262

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 27592138

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 61, 89, 91, 122, 178, 182, 203, 377, 406, 427, 623, 754, 793, 854, 1157, 1246, 1586, 1769, 2314, 2581, 2639, 3538, 5162, 5278, 5429, 5551, 8099, 10858, 11102, 12383, 16198, 18067, 22997, 24766, 33553, 36134, 38003, 45994, 67106, 70577, 76006, 141154, 157441, 160979, 234871, 314882, 321958, 469742, 494039, 988078, 1102087, 2046733, 2204174, 4093466, 14327131, 28654262]

約数ペア:

[(1, 28654262), (2, 14327131), (7, 4093466), (13, 2204174), (14, 2046733), (26, 1102087), (29, 988078), (58, 494039), (61, 469742), (89, 321958), (91, 314882), (122, 234871), (178, 160979), (182, 157441), (203, 141154), (377, 76006), (406, 70577), (427, 67106), (623, 45994), (754, 38003), (793, 36134), (854, 33553), (1157, 24766), (1246, 22997), (1586, 18067), (1769, 16198), (2314, 12383), (2581, 11102), (2639, 10858), (3538, 8099), (5162, 5551), (5278, 5429)]