287029276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 548853760

約数和(自身を除く): 261824484

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 103, 148, 206, 412, 703, 991, 1406, 1957, 1982, 2812, 3811, 3914, 3964, 7622, 7828, 15244, 18829, 36667, 37658, 72409, 73334, 75316, 102073, 144818, 146668, 204146, 289636, 408292, 696673, 1393346, 1939387, 2786692, 3776701, 3878774, 7553402, 7757548, 15106804, 71757319, 143514638, 287029276]

約数ペア:

[(1, 287029276), (2, 143514638), (4, 71757319), (19, 15106804), (37, 7757548), (38, 7553402), (74, 3878774), (76, 3776701), (103, 2786692), (148, 1939387), (206, 1393346), (412, 696673), (703, 408292), (991, 289636), (1406, 204146), (1957, 146668), (1982, 144818), (2812, 102073), (3811, 75316), (3914, 73334), (3964, 72409), (7622, 37658), (7828, 36667), (15244, 18829)]