4891638381

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{19979}}^1$

素因数の和:20209

約数の個数: 32

約数和(自身を含む): 7595596800

約数和(自身を除く): 2703958419

約数列:

[1, 3, 7, 21, 89, 131, 267, 393, 623, 917, 1869, 2751, 11659, 19979, 34977, 59937, 81613, 139853, 244839, 419559, 1778131, 2617249, 5334393, 7851747, 12446917, 18320743, 37340751, 54962229, 232935161, 698805483, 1630546127, 4891638381]

約数ペア:

[(1, 4891638381), (3, 1630546127), (7, 698805483), (21, 232935161), (89, 54962229), (131, 37340751), (267, 18320743), (393, 12446917), (623, 7851747), (917, 5334393), (1869, 2617249), (2751, 1778131), (11659, 419559), (19979, 244839), (34977, 139853), (59937, 81613)]