81191748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:657

約数の個数: 96

約数和(自身を含む): 220631040

約数和(自身を除く): 139439292

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 47, 66, 69, 92, 94, 132, 138, 141, 188, 253, 276, 282, 506, 517, 564, 569, 759, 1012, 1034, 1081, 1138, 1518, 1551, 1707, 2068, 2162, 2276, 3036, 3102, 3243, 3414, 4324, 6204, 6259, 6486, 6828, 11891, 12518, 12972, 13087, 18777, 23782, 25036, 26174, 26743, 35673, 37554, 39261, 47564, 52348, 53486, 71346, 75108, 78522, 80229, 106972, 142692, 143957, 157044, 160458, 287914, 294173, 320916, 431871, 575828, 588346, 615089, 863742, 882519, 1176692, 1230178, 1727484, 1765038, 1845267, 2460356, 3530076, 3690534, 6765979, 7381068, 13531958, 20297937, 27063916, 40595874, 81191748]

約数ペア:

[(1, 81191748), (2, 40595874), (3, 27063916), (4, 20297937), (6, 13531958), (11, 7381068), (12, 6765979), (22, 3690534), (23, 3530076), (33, 2460356), (44, 1845267), (46, 1765038), (47, 1727484), (66, 1230178), (69, 1176692), (92, 882519), (94, 863742), (132, 615089), (138, 588346), (141, 575828), (188, 431871), (253, 320916), (276, 294173), (282, 287914), (506, 160458), (517, 157044), (564, 143957), (569, 142692), (759, 106972), (1012, 80229), (1034, 78522), (1081, 75108), (1138, 71346), (1518, 53486), (1551, 52348), (1707, 47564), (2068, 39261), (2162, 37554), (2276, 35673), (3036, 26743), (3102, 26174), (3243, 25036), (3414, 23782), (4324, 18777), (6204, 13087), (6259, 12972), (6486, 12518), (6828, 11891)]