82578028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 169365168

約数和(自身を除く): 86787140

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 53, 76, 83, 106, 166, 212, 247, 332, 361, 494, 689, 722, 988, 1007, 1079, 1378, 1444, 1577, 2014, 2158, 2756, 3154, 4028, 4316, 4399, 4693, 6308, 8798, 9386, 13091, 17596, 18772, 19133, 20501, 26182, 29963, 38266, 41002, 52364, 57187, 59926, 76532, 82004, 83581, 114374, 119852, 167162, 228748, 248729, 334324, 389519, 497458, 779038, 994916, 1086553, 1558076, 1588039, 2173106, 3176078, 4346212, 6352156, 20644507, 41289014, 82578028]

約数ペア:

[(1, 82578028), (2, 41289014), (4, 20644507), (13, 6352156), (19, 4346212), (26, 3176078), (38, 2173106), (52, 1588039), (53, 1558076), (76, 1086553), (83, 994916), (106, 779038), (166, 497458), (212, 389519), (247, 334324), (332, 248729), (361, 228748), (494, 167162), (689, 119852), (722, 114374), (988, 83581), (1007, 82004), (1079, 76532), (1378, 59926), (1444, 57187), (1577, 52364), (2014, 41002), (2158, 38266), (2756, 29963), (3154, 26182), (4028, 20501), (4316, 19133), (4399, 18772), (4693, 17596), (6308, 13091), (8798, 9386)]