81962478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 202902336

約数和(自身を除く): 120939858

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 97, 117, 138, 157, 194, 207, 234, 291, 299, 314, 414, 471, 582, 598, 873, 897, 942, 1261, 1413, 1746, 1794, 2041, 2231, 2522, 2691, 2826, 3611, 3783, 4082, 4462, 5382, 6123, 6693, 7222, 7566, 10833, 11349, 12246, 13386, 15229, 18369, 20079, 21666, 22698, 29003, 30458, 32499, 36738, 40158, 45687, 46943, 58006, 64998, 87009, 91374, 93886, 137061, 140829, 174018, 197977, 261027, 274122, 281658, 350267, 395954, 422487, 522054, 593931, 700534, 844974, 1050801, 1187862, 1781793, 2101602, 3152403, 3563586, 4553471, 6304806, 9106942, 13660413, 27320826, 40981239, 81962478]

約数ペア:

[(1, 81962478), (2, 40981239), (3, 27320826), (6, 13660413), (9, 9106942), (13, 6304806), (18, 4553471), (23, 3563586), (26, 3152403), (39, 2101602), (46, 1781793), (69, 1187862), (78, 1050801), (97, 844974), (117, 700534), (138, 593931), (157, 522054), (194, 422487), (207, 395954), (234, 350267), (291, 281658), (299, 274122), (314, 261027), (414, 197977), (471, 174018), (582, 140829), (598, 137061), (873, 93886), (897, 91374), (942, 87009), (1261, 64998), (1413, 58006), (1746, 46943), (1794, 45687), (2041, 40158), (2231, 36738), (2522, 32499), (2691, 30458), (2826, 29003), (3611, 22698), (3783, 21666), (4082, 20079), (4462, 18369), (5382, 15229), (6123, 13386), (6693, 12246), (7222, 11349), (7566, 10833)]