71891103625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1\times {\mathrm{953}}^1$

素因数の和:1723

約数の個数: 64

約数和(自身を含む): 99309659904

約数和(自身を除く): 27418556279

約数列:

[1, 5, 11, 25, 55, 83, 125, 275, 415, 661, 913, 953, 1375, 2075, 3305, 4565, 4765, 7271, 10375, 10483, 16525, 22825, 23825, 36355, 52415, 54863, 79099, 82625, 114125, 119125, 181775, 262075, 274315, 395495, 603493, 629933, 870089, 908875, 1310375, 1371575, 1977475, 3017465, 3149665, 4350445, 6857875, 6929263, 9887375, 15087325, 15748325, 21752225, 34646315, 52284439, 75436625, 78741625, 108761125, 173231575, 261422195, 575128829, 866157875, 1307110975, 2875644145, 6535554875, 14378220725, 71891103625]

約数ペア:

[(1, 71891103625), (5, 14378220725), (11, 6535554875), (25, 2875644145), (55, 1307110975), (83, 866157875), (125, 575128829), (275, 261422195), (415, 173231575), (661, 108761125), (913, 78741625), (953, 75436625), (1375, 52284439), (2075, 34646315), (3305, 21752225), (4565, 15748325), (4765, 15087325), (7271, 9887375), (10375, 6929263), (10483, 6857875), (16525, 4350445), (22825, 3149665), (23825, 3017465), (36355, 1977475), (52415, 1371575), (54863, 1310375), (79099, 908875), (82625, 870089), (114125, 629933), (119125, 603493), (181775, 395495), (262075, 274315)]