821567370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{2441}}^1$

素因数の和:3327

約数の個数: 64

約数和(自身を含む): 2126767104

約数和(自身を除く): 1305199734

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 863, 1726, 2441, 2589, 4315, 4882, 5178, 7323, 8630, 11219, 12205, 12945, 14646, 22438, 24410, 25890, 31733, 33657, 36615, 56095, 63466, 67314, 73230, 95199, 112190, 158665, 168285, 190398, 317330, 336570, 475995, 951990, 2106583, 4213166, 6319749, 10532915, 12639498, 21065830, 27385579, 31598745, 54771158, 63197490, 82156737, 136927895, 164313474, 273855790, 410783685, 821567370]

約数ペア:

[(1, 821567370), (2, 410783685), (3, 273855790), (5, 164313474), (6, 136927895), (10, 82156737), (13, 63197490), (15, 54771158), (26, 31598745), (30, 27385579), (39, 21065830), (65, 12639498), (78, 10532915), (130, 6319749), (195, 4213166), (390, 2106583), (863, 951990), (1726, 475995), (2441, 336570), (2589, 317330), (4315, 190398), (4882, 168285), (5178, 158665), (7323, 112190), (8630, 95199), (11219, 73230), (12205, 67314), (12945, 63466), (14646, 56095), (22438, 36615), (24410, 33657), (25890, 31733)]