71399916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{673}}^1$

素因数の和:1111

約数の個数: 72

約数和(自身を含む): 207063584

約数和(自身を除く): 135663668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 673, 842, 1263, 1346, 1684, 2019, 2526, 2692, 2947, 3789, 4038, 4711, 5052, 5894, 6057, 7578, 8076, 8841, 9422, 11788, 12114, 14133, 15156, 17682, 18844, 24228, 26523, 28266, 35364, 42399, 53046, 56532, 84798, 106092, 169596, 283333, 566666, 849999, 1133332, 1699998, 1983331, 2549997, 3399996, 3966662, 5099994, 5949993, 7933324, 10199988, 11899986, 17849979, 23799972, 35699958, 71399916]

約数ペア:

[(1, 71399916), (2, 35699958), (3, 23799972), (4, 17849979), (6, 11899986), (7, 10199988), (9, 7933324), (12, 5949993), (14, 5099994), (18, 3966662), (21, 3399996), (28, 2549997), (36, 1983331), (42, 1699998), (63, 1133332), (84, 849999), (126, 566666), (252, 283333), (421, 169596), (673, 106092), (842, 84798), (1263, 56532), (1346, 53046), (1684, 42399), (2019, 35364), (2526, 28266), (2692, 26523), (2947, 24228), (3789, 18844), (4038, 17682), (4711, 15156), (5052, 14133), (5894, 12114), (6057, 11788), (7578, 9422), (8076, 8841)]