991393128

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{4051}}^1$

素因数の和:4180

約数の個数: 128

約数和(自身を含む): 3034137600

約数和(自身を除く): 2042744472

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 88, 99, 103, 108, 132, 198, 206, 216, 264, 297, 309, 396, 412, 594, 618, 792, 824, 927, 1133, 1188, 1236, 1854, 2266, 2376, 2472, 2781, 3399, 3708, 4051, 4532, 5562, 6798, 7416, 8102, 9064, 10197, 11124, 12153, 13596, 16204, 20394, 22248, 24306, 27192, 30591, 32408, 36459, 40788, 44561, 48612, 61182, 72918, 81576, 89122, 97224, 109377, 122364, 133683, 145836, 178244, 218754, 244728, 267366, 291672, 356488, 401049, 417253, 437508, 534732, 802098, 834506, 875016, 1069464, 1203147, 1251759, 1604196, 1669012, 2406294, 2503518, 3208392, 3338024, 3755277, 4589783, 4812588, 5007036, 7510554, 9179566, 9625176, 10014072, 11265831, 13769349, 15021108, 18359132, 22531662, 27538698, 30042216, 36718264, 41308047, 45063324, 55077396, 82616094, 90126648, 110154792, 123924141, 165232188, 247848282, 330464376, 495696564, 991393128]

約数ペア:

[(1, 991393128), (2, 495696564), (3, 330464376), (4, 247848282), (6, 165232188), (8, 123924141), (9, 110154792), (11, 90126648), (12, 82616094), (18, 55077396), (22, 45063324), (24, 41308047), (27, 36718264), (33, 30042216), (36, 27538698), (44, 22531662), (54, 18359132), (66, 15021108), (72, 13769349), (88, 11265831), (99, 10014072), (103, 9625176), (108, 9179566), (132, 7510554), (198, 5007036), (206, 4812588), (216, 4589783), (264, 3755277), (297, 3338024), (309, 3208392), (396, 2503518), (412, 2406294), (594, 1669012), (618, 1604196), (792, 1251759), (824, 1203147), (927, 1069464), (1133, 875016), (1188, 834506), (1236, 802098), (1854, 534732), (2266, 437508), (2376, 417253), (2472, 401049), (2781, 356488), (3399, 291672), (3708, 267366), (4051, 244728), (4532, 218754), (5562, 178244), (6798, 145836), (7416, 133683), (8102, 122364), (9064, 109377), (10197, 97224), (11124, 89122), (12153, 81576), (13596, 72918), (16204, 61182), (20394, 48612), (22248, 44561), (24306, 40788), (27192, 36459), (30591, 32408)]