181551128

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 389975040

約数和(自身を除く): 208423912

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 61, 62, 88, 122, 124, 244, 248, 341, 488, 671, 682, 1091, 1342, 1364, 1891, 2182, 2684, 2728, 3782, 4364, 5368, 7564, 8728, 12001, 15128, 20801, 24002, 33821, 41602, 48004, 66551, 67642, 83204, 96008, 133102, 135284, 166408, 266204, 270568, 372031, 532408, 732061, 744062, 1464122, 1488124, 2063081, 2928244, 2976248, 4126162, 5856488, 8252324, 16504648, 22693891, 45387782, 90775564, 181551128]

約数ペア:

[(1, 181551128), (2, 90775564), (4, 45387782), (8, 22693891), (11, 16504648), (22, 8252324), (31, 5856488), (44, 4126162), (61, 2976248), (62, 2928244), (88, 2063081), (122, 1488124), (124, 1464122), (244, 744062), (248, 732061), (341, 532408), (488, 372031), (671, 270568), (682, 266204), (1091, 166408), (1342, 135284), (1364, 133102), (1891, 96008), (2182, 83204), (2684, 67642), (2728, 66551), (3782, 48004), (4364, 41602), (5368, 33821), (7564, 24002), (8728, 20801), (12001, 15128)]