421843604

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 919860480

約数和(自身を除く): 498016876

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 239, 338, 364, 373, 478, 676, 746, 956, 1183, 1492, 1673, 2366, 2611, 3107, 3346, 4732, 4849, 5222, 6214, 6692, 9698, 10444, 12428, 19396, 21749, 33943, 40391, 43498, 63037, 67886, 80782, 86996, 89147, 126074, 135772, 161564, 178294, 252148, 282737, 356588, 441259, 565474, 624029, 882518, 1130948, 1158911, 1248058, 1765036, 2317822, 2496116, 4635644, 8112377, 15065843, 16224754, 30131686, 32449508, 60263372, 105460901, 210921802, 421843604]

約数ペア:

[(1, 421843604), (2, 210921802), (4, 105460901), (7, 60263372), (13, 32449508), (14, 30131686), (26, 16224754), (28, 15065843), (52, 8112377), (91, 4635644), (169, 2496116), (182, 2317822), (239, 1765036), (338, 1248058), (364, 1158911), (373, 1130948), (478, 882518), (676, 624029), (746, 565474), (956, 441259), (1183, 356588), (1492, 282737), (1673, 252148), (2366, 178294), (2611, 161564), (3107, 135772), (3346, 126074), (4732, 89147), (4849, 86996), (5222, 80782), (6214, 67886), (6692, 63037), (9698, 43498), (10444, 40391), (12428, 33943), (19396, 21749)]