1984945534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{647}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 3715310592

約数和(自身を除く): 1730365058

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 631, 647, 1262, 1294, 2431, 4862, 6941, 7117, 8203, 8411, 10727, 10999, 13882, 14234, 16406, 16822, 21454, 21998, 90233, 92521, 117997, 120989, 139451, 142987, 180466, 185042, 235994, 241978, 278902, 285974, 408257, 816514, 1533961, 1572857, 3067922, 3145714, 4490827, 5307341, 6940369, 8981654, 10614682, 13880738, 58380751, 76344059, 90224797, 116761502, 152688118, 180449594, 992472767, 1984945534]

約数ペア:

[(1, 1984945534), (2, 992472767), (11, 180449594), (13, 152688118), (17, 116761502), (22, 90224797), (26, 76344059), (34, 58380751), (143, 13880738), (187, 10614682), (221, 8981654), (286, 6940369), (374, 5307341), (442, 4490827), (631, 3145714), (647, 3067922), (1262, 1572857), (1294, 1533961), (2431, 816514), (4862, 408257), (6941, 285974), (7117, 278902), (8203, 241978), (8411, 235994), (10727, 185042), (10999, 180466), (13882, 142987), (14234, 139451), (16406, 120989), (16822, 117997), (21454, 92521), (21998, 90233)]