979843975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 1361162880

約数和(自身を除く): 381318905

約数列:

[1, 5, 11, 25, 55, 59, 131, 275, 295, 461, 649, 655, 1441, 1475, 2305, 3245, 3275, 5071, 7205, 7729, 11525, 16225, 25355, 27199, 36025, 38645, 60391, 85019, 126775, 135995, 193225, 299189, 301955, 425095, 664301, 679975, 1495945, 1509775, 2125475, 3321505, 3563069, 7479725, 16607525, 17815345, 39193759, 89076725, 195968795, 979843975]

約数ペア:

[(1, 979843975), (5, 195968795), (11, 89076725), (25, 39193759), (55, 17815345), (59, 16607525), (131, 7479725), (275, 3563069), (295, 3321505), (461, 2125475), (649, 1509775), (655, 1495945), (1441, 679975), (1475, 664301), (2305, 425095), (3245, 301955), (3275, 299189), (5071, 193225), (7205, 135995), (7729, 126775), (11525, 85019), (16225, 60391), (25355, 38645), (27199, 36025)]