84444444

素因数分解:

$2^2\times 3^7\times 7^2\times {\mathrm{197}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 259126560

約数和(自身を除く): 174682116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 197, 243, 252, 294, 324, 378, 394, 441, 486, 567, 588, 591, 729, 756, 788, 882, 972, 1134, 1182, 1323, 1379, 1458, 1701, 1764, 1773, 2187, 2268, 2364, 2646, 2758, 2916, 3402, 3546, 3969, 4137, 4374, 5103, 5292, 5319, 5516, 6804, 7092, 7938, 8274, 8748, 9653, 10206, 10638, 11907, 12411, 15309, 15876, 15957, 16548, 19306, 20412, 21276, 23814, 24822, 28959, 30618, 31914, 35721, 37233, 38612, 47628, 47871, 49644, 57918, 61236, 63828, 71442, 74466, 86877, 95742, 107163, 111699, 115836, 142884, 143613, 148932, 173754, 191484, 214326, 223398, 260631, 287226, 335097, 347508, 428652, 430839, 446796, 521262, 574452, 670194, 781893, 861678, 1005291, 1042524, 1340388, 1563786, 1723356, 2010582, 2345679, 3015873, 3127572, 4021164, 4691358, 6031746, 7037037, 9382716, 12063492, 14074074, 21111111, 28148148, 42222222, 84444444]

約数ペア:

[(1, 84444444), (2, 42222222), (3, 28148148), (4, 21111111), (6, 14074074), (7, 12063492), (9, 9382716), (12, 7037037), (14, 6031746), (18, 4691358), (21, 4021164), (27, 3127572), (28, 3015873), (36, 2345679), (42, 2010582), (49, 1723356), (54, 1563786), (63, 1340388), (81, 1042524), (84, 1005291), (98, 861678), (108, 781893), (126, 670194), (147, 574452), (162, 521262), (189, 446796), (196, 430839), (197, 428652), (243, 347508), (252, 335097), (294, 287226), (324, 260631), (378, 223398), (394, 214326), (441, 191484), (486, 173754), (567, 148932), (588, 143613), (591, 142884), (729, 115836), (756, 111699), (788, 107163), (882, 95742), (972, 86877), (1134, 74466), (1182, 71442), (1323, 63828), (1379, 61236), (1458, 57918), (1701, 49644), (1764, 47871), (1773, 47628), (2187, 38612), (2268, 37233), (2364, 35721), (2646, 31914), (2758, 30618), (2916, 28959), (3402, 24822), (3546, 23814), (3969, 21276), (4137, 20412), (4374, 19306), (5103, 16548), (5292, 15957), (5319, 15876), (5516, 15309), (6804, 12411), (7092, 11907), (7938, 10638), (8274, 10206), (8748, 9653)]