80144766

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20147}}^1$

素因数の和:20185

約数の個数: 48

約数和(自身を含む): 198014544

約数和(自身を除く): 117869778

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20147, 40294, 60441, 120882, 181323, 261911, 342499, 362646, 523822, 684998, 785733, 1027497, 1571466, 2054994, 2357199, 3082491, 4452487, 4714398, 6164982, 8904974, 13357461, 26714922, 40072383, 80144766]

約数ペア:

[(1, 80144766), (2, 40072383), (3, 26714922), (6, 13357461), (9, 8904974), (13, 6164982), (17, 4714398), (18, 4452487), (26, 3082491), (34, 2357199), (39, 2054994), (51, 1571466), (78, 1027497), (102, 785733), (117, 684998), (153, 523822), (221, 362646), (234, 342499), (306, 261911), (442, 181323), (663, 120882), (1326, 60441), (1989, 40294), (3978, 20147)]