28577615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 14967985

約数列:

[1, 5, 11, 19, 23, 29, 41, 55, 95, 115, 145, 205, 209, 253, 319, 437, 451, 551, 667, 779, 943, 1045, 1189, 1265, 1595, 2185, 2255, 2755, 3335, 3895, 4715, 4807, 5945, 6061, 7337, 8569, 10373, 12673, 13079, 17917, 22591, 24035, 27347, 30305, 36685, 42845, 51865, 63365, 65395, 89585, 112955, 136735, 139403, 197087, 248501, 300817, 519593, 697015, 985435, 1242505, 1504085, 2597965, 5715523, 28577615]

約数ペア:

[(1, 28577615), (5, 5715523), (11, 2597965), (19, 1504085), (23, 1242505), (29, 985435), (41, 697015), (55, 519593), (95, 300817), (115, 248501), (145, 197087), (205, 139403), (209, 136735), (253, 112955), (319, 89585), (437, 65395), (451, 63365), (551, 51865), (667, 42845), (779, 36685), (943, 30305), (1045, 27347), (1189, 24035), (1265, 22591), (1595, 17917), (2185, 13079), (2255, 12673), (2755, 10373), (3335, 8569), (3895, 7337), (4715, 6061), (4807, 5945)]