819585376

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1993}}^1$

素因数の和:2255

約数の個数: 48

約数和(自身を含む): 1646150688

約数和(自身を除く): 826565312

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 181, 284, 362, 568, 724, 1136, 1448, 1993, 2272, 2896, 3986, 5792, 7972, 12851, 15944, 25702, 31888, 51404, 63776, 102808, 141503, 205616, 283006, 360733, 411232, 566012, 721466, 1132024, 1442932, 2264048, 2885864, 4528096, 5771728, 11543456, 25612043, 51224086, 102448172, 204896344, 409792688, 819585376]

約数ペア:

[(1, 819585376), (2, 409792688), (4, 204896344), (8, 102448172), (16, 51224086), (32, 25612043), (71, 11543456), (142, 5771728), (181, 4528096), (284, 2885864), (362, 2264048), (568, 1442932), (724, 1132024), (1136, 721466), (1448, 566012), (1993, 411232), (2272, 360733), (2896, 283006), (3986, 205616), (5792, 141503), (7972, 102808), (12851, 63776), (15944, 51404), (25702, 31888)]