165728728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:896

約数の個数: 64

約数和(自身を含む): 354816000

約数和(自身を除く): 189087272

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 79, 88, 124, 158, 248, 316, 341, 632, 682, 769, 869, 1364, 1538, 1738, 2449, 2728, 3076, 3476, 4898, 6152, 6952, 8459, 9796, 16918, 19592, 23839, 26939, 33836, 47678, 53878, 60751, 67672, 95356, 107756, 121502, 190712, 215512, 243004, 262229, 486008, 524458, 668261, 1048916, 1336522, 1883281, 2097832, 2673044, 3766562, 5346088, 7533124, 15066248, 20716091, 41432182, 82864364, 165728728]

約数ペア:

[(1, 165728728), (2, 82864364), (4, 41432182), (8, 20716091), (11, 15066248), (22, 7533124), (31, 5346088), (44, 3766562), (62, 2673044), (79, 2097832), (88, 1883281), (124, 1336522), (158, 1048916), (248, 668261), (316, 524458), (341, 486008), (632, 262229), (682, 243004), (769, 215512), (869, 190712), (1364, 121502), (1538, 107756), (1738, 95356), (2449, 67672), (2728, 60751), (3076, 53878), (3476, 47678), (4898, 33836), (6152, 26939), (6952, 23839), (8459, 19592), (9796, 16918)]