81976370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{863}}^1$

素因数の和:959

約数の個数: 64

約数和(自身を含む): 179159040

約数和(自身を除く): 97182670

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 59, 70, 115, 118, 161, 230, 295, 322, 413, 590, 805, 826, 863, 1357, 1610, 1726, 2065, 2714, 4130, 4315, 6041, 6785, 8630, 9499, 12082, 13570, 18998, 19849, 30205, 39698, 47495, 50917, 60410, 94990, 99245, 101834, 138943, 198490, 254585, 277886, 356419, 509170, 694715, 712838, 1171091, 1389430, 1782095, 2342182, 3564190, 5855455, 8197637, 11710910, 16395274, 40988185, 81976370]

約数ペア:

[(1, 81976370), (2, 40988185), (5, 16395274), (7, 11710910), (10, 8197637), (14, 5855455), (23, 3564190), (35, 2342182), (46, 1782095), (59, 1389430), (70, 1171091), (115, 712838), (118, 694715), (161, 509170), (230, 356419), (295, 277886), (322, 254585), (413, 198490), (590, 138943), (805, 101834), (826, 99245), (863, 94990), (1357, 60410), (1610, 50917), (1726, 47495), (2065, 39698), (2714, 30205), (4130, 19849), (4315, 18998), (6041, 13570), (6785, 12082), (8630, 9499)]