81356898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 196992000

約数和(自身を除く): 115635102

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 269, 379, 399, 538, 758, 798, 807, 1137, 1614, 1883, 2274, 2653, 3766, 5111, 5306, 5649, 7201, 7959, 10222, 11298, 14402, 15333, 15918, 21603, 30666, 35777, 43206, 50407, 71554, 100814, 101951, 107331, 151221, 203902, 214662, 302442, 305853, 611706, 713657, 1427314, 1937069, 2140971, 3874138, 4281942, 5811207, 11622414, 13559483, 27118966, 40678449, 81356898]

約数ペア:

[(1, 81356898), (2, 40678449), (3, 27118966), (6, 13559483), (7, 11622414), (14, 5811207), (19, 4281942), (21, 3874138), (38, 2140971), (42, 1937069), (57, 1427314), (114, 713657), (133, 611706), (266, 305853), (269, 302442), (379, 214662), (399, 203902), (538, 151221), (758, 107331), (798, 101951), (807, 100814), (1137, 71554), (1614, 50407), (1883, 43206), (2274, 35777), (2653, 30666), (3766, 21603), (5111, 15918), (5306, 15333), (5649, 14402), (7201, 11298), (7959, 10222)]