156919328

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4231}}^1$

素因数の和:4321

約数の個数: 48

約数和(自身を含む): 330603840

約数和(自身を除く): 173684512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 488, 608, 976, 1159, 1952, 2318, 4231, 4636, 8462, 9272, 16924, 18544, 33848, 37088, 67696, 80389, 135392, 160778, 258091, 321556, 516182, 643112, 1032364, 1286224, 2064728, 2572448, 4129456, 4903729, 8258912, 9807458, 19614916, 39229832, 78459664, 156919328]

約数ペア:

[(1, 156919328), (2, 78459664), (4, 39229832), (8, 19614916), (16, 9807458), (19, 8258912), (32, 4903729), (38, 4129456), (61, 2572448), (76, 2064728), (122, 1286224), (152, 1032364), (244, 643112), (304, 516182), (488, 321556), (608, 258091), (976, 160778), (1159, 135392), (1952, 80389), (2318, 67696), (4231, 37088), (4636, 33848), (8462, 18544), (9272, 16924)]