71367890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20929}}^1$

素因数の和:20978

約数の個数: 32

約数和(自身を含む): 144668160

約数和(自身を除く): 73300270

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 20929, 41858, 104645, 209290, 230219, 460438, 648799, 1151095, 1297598, 2302190, 3243995, 6487990, 7136789, 14273578, 35683945, 71367890]

約数ペア:

[(1, 71367890), (2, 35683945), (5, 14273578), (10, 7136789), (11, 6487990), (22, 3243995), (31, 2302190), (55, 1297598), (62, 1151095), (110, 648799), (155, 460438), (310, 230219), (341, 209290), (682, 104645), (1705, 41858), (3410, 20929)]