642051245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{797}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 855864576

約数和(自身を除く): 213813331

約数列:

[1, 5, 11, 55, 97, 151, 485, 755, 797, 1067, 1661, 3985, 5335, 8305, 8767, 14647, 43835, 73235, 77309, 120347, 161117, 386545, 601735, 805585, 850399, 1323817, 4251995, 6619085, 11673659, 58368295, 128410249, 642051245]

約数ペア:

[(1, 642051245), (5, 128410249), (11, 58368295), (55, 11673659), (97, 6619085), (151, 4251995), (485, 1323817), (755, 850399), (797, 805585), (1067, 601735), (1661, 386545), (3985, 161117), (5335, 120347), (8305, 77309), (8767, 73235), (14647, 43835)]