2181947601990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4327}}^1\times {\mathrm{1292983}}^1$

素因数の和:1297333

約数の個数: 64

約数和(自身を含む): 5640803030016

約数和(自身を除く): 3458855428026

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 4327, 8654, 12981, 21635, 25962, 43270, 56251, 64905, 112502, 129810, 168753, 281255, 337506, 562510, 843765, 1292983, 1687530, 2585966, 3878949, 6464915, 7757898, 12929830, 16808779, 19394745, 33617558, 38789490, 50426337, 84043895, 100852674, 168087790, 252131685, 504263370, 5594737441, 11189474882, 16784212323, 27973687205, 33568424646, 55947374410, 72731586733, 83921061615, 145463173466, 167842123230, 218194760199, 363657933665, 436389520398, 727315867330, 1090973800995, 2181947601990]

約数ペア:

[(1, 2181947601990), (2, 1090973800995), (3, 727315867330), (5, 436389520398), (6, 363657933665), (10, 218194760199), (13, 167842123230), (15, 145463173466), (26, 83921061615), (30, 72731586733), (39, 55947374410), (65, 33568424646), (78, 27973687205), (130, 16784212323), (195, 11189474882), (390, 5594737441), (4327, 504263370), (8654, 252131685), (12981, 168087790), (21635, 100852674), (25962, 84043895), (43270, 50426337), (56251, 38789490), (64905, 33617558), (112502, 19394745), (129810, 16808779), (168753, 12929830), (281255, 7757898), (337506, 6464915), (562510, 3878949), (843765, 2585966), (1292983, 1687530)]