81531948

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 194370176

約数和(自身を除く): 112838228

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 163, 219, 292, 326, 438, 489, 571, 652, 876, 978, 1142, 1713, 1956, 2284, 3426, 6852, 11899, 23798, 35697, 41683, 47596, 71394, 83366, 93073, 125049, 142788, 166732, 186146, 250098, 279219, 372292, 500196, 558438, 1116876, 6794329, 13588658, 20382987, 27177316, 40765974, 81531948]

約数ペア:

[(1, 81531948), (2, 40765974), (3, 27177316), (4, 20382987), (6, 13588658), (12, 6794329), (73, 1116876), (146, 558438), (163, 500196), (219, 372292), (292, 279219), (326, 250098), (438, 186146), (489, 166732), (571, 142788), (652, 125049), (876, 93073), (978, 83366), (1142, 71394), (1713, 47596), (1956, 41683), (2284, 35697), (3426, 23798), (6852, 11899)]