81543516

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 210739200

約数和(自身を除く): 129195684

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 83, 93, 114, 124, 139, 166, 186, 228, 249, 278, 332, 372, 417, 498, 556, 589, 834, 996, 1178, 1577, 1668, 1767, 2356, 2573, 2641, 3154, 3534, 4309, 4731, 5146, 5282, 6308, 7068, 7719, 7923, 8618, 9462, 10292, 10564, 11537, 12927, 15438, 15846, 17236, 18924, 23074, 25854, 30876, 31692, 34611, 46148, 48887, 51708, 69222, 81871, 97774, 138444, 146661, 163742, 195548, 219203, 245613, 293322, 327484, 357647, 438406, 491226, 586644, 657609, 715294, 876812, 982452, 1072941, 1315218, 1430588, 2145882, 2630436, 4291764, 6795293, 13590586, 20385879, 27181172, 40771758, 81543516]

約数ペア:

[(1, 81543516), (2, 40771758), (3, 27181172), (4, 20385879), (6, 13590586), (12, 6795293), (19, 4291764), (31, 2630436), (38, 2145882), (57, 1430588), (62, 1315218), (76, 1072941), (83, 982452), (93, 876812), (114, 715294), (124, 657609), (139, 586644), (166, 491226), (186, 438406), (228, 357647), (249, 327484), (278, 293322), (332, 245613), (372, 219203), (417, 195548), (498, 163742), (556, 146661), (589, 138444), (834, 97774), (996, 81871), (1178, 69222), (1577, 51708), (1668, 48887), (1767, 46148), (2356, 34611), (2573, 31692), (2641, 30876), (3154, 25854), (3534, 23074), (4309, 18924), (4731, 17236), (5146, 15846), (5282, 15438), (6308, 12927), (7068, 11537), (7719, 10564), (7923, 10292), (8618, 9462)]