38486708

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 54

約数和(自身を含む): 77866866

約数和(自身を除く): 39380158

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 197, 221, 289, 338, 394, 442, 578, 676, 788, 884, 1156, 2561, 2873, 3349, 3757, 5122, 5746, 6698, 7514, 10244, 11492, 13396, 15028, 33293, 43537, 48841, 56933, 66586, 87074, 97682, 113866, 133172, 174148, 195364, 227732, 565981, 740129, 1131962, 1480258, 2263924, 2960516, 9621677, 19243354, 38486708]

約数ペア:

[(1, 38486708), (2, 19243354), (4, 9621677), (13, 2960516), (17, 2263924), (26, 1480258), (34, 1131962), (52, 740129), (68, 565981), (169, 227732), (197, 195364), (221, 174148), (289, 133172), (338, 113866), (394, 97682), (442, 87074), (578, 66586), (676, 56933), (788, 48841), (884, 43537), (1156, 33293), (2561, 15028), (2873, 13396), (3349, 11492), (3757, 10244), (5122, 7514), (5746, 6698)]