156956152556

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^2\times {\mathrm{397}}^1\times {\mathrm{2801}}^1$

素因数の和:3351

約数の個数: 72

約数和(自身を含む): 319311840288

約数和(自身を除く): 162355687732

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 397, 497, 794, 994, 1588, 1988, 2779, 2801, 5041, 5558, 5602, 10082, 11116, 11204, 19607, 20164, 28187, 35287, 39214, 56374, 70574, 78428, 112748, 141148, 197309, 198871, 394618, 397742, 789236, 795484, 1111997, 1392097, 2001277, 2223994, 2784194, 4002554, 4447988, 5568388, 7783979, 8005108, 14008939, 14119841, 15567958, 28017878, 28239682, 31135916, 56035756, 56479364, 78951787, 98838887, 157903574, 197677774, 315807148, 395355548, 552662509, 1105325018, 2210650036, 5605576877, 11211153754, 22422307508, 39239038139, 78478076278, 156956152556]

約数ペア:

[(1, 156956152556), (2, 78478076278), (4, 39239038139), (7, 22422307508), (14, 11211153754), (28, 5605576877), (71, 2210650036), (142, 1105325018), (284, 552662509), (397, 395355548), (497, 315807148), (794, 197677774), (994, 157903574), (1588, 98838887), (1988, 78951787), (2779, 56479364), (2801, 56035756), (5041, 31135916), (5558, 28239682), (5602, 28017878), (10082, 15567958), (11116, 14119841), (11204, 14008939), (19607, 8005108), (20164, 7783979), (28187, 5568388), (35287, 4447988), (39214, 4002554), (56374, 2784194), (70574, 2223994), (78428, 2001277), (112748, 1392097), (141148, 1111997), (197309, 795484), (198871, 789236), (394618, 397742)]