156972148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 305424000

約数和(自身を除く): 148451852

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 89, 92, 178, 356, 437, 874, 1009, 1691, 1748, 2018, 2047, 3382, 4036, 4094, 6764, 8188, 19171, 23207, 38342, 38893, 46414, 76684, 77786, 89801, 92828, 155572, 179602, 359204, 440933, 881866, 1706219, 1763732, 2065423, 3412438, 4130846, 6824876, 8261692, 39243037, 78486074, 156972148]

約数ペア:

[(1, 156972148), (2, 78486074), (4, 39243037), (19, 8261692), (23, 6824876), (38, 4130846), (46, 3412438), (76, 2065423), (89, 1763732), (92, 1706219), (178, 881866), (356, 440933), (437, 359204), (874, 179602), (1009, 155572), (1691, 92828), (1748, 89801), (2018, 77786), (2047, 76684), (3382, 46414), (4036, 38893), (4094, 38342), (6764, 23207), (8188, 19171)]