81646914

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 178560000

約数和(自身を除く): 96913086

約数列:

[1, 2, 3, 6, 19, 38, 57, 59, 61, 114, 118, 122, 177, 183, 199, 354, 366, 398, 597, 1121, 1159, 1194, 2242, 2318, 3363, 3477, 3599, 3781, 6726, 6954, 7198, 7562, 10797, 11343, 11741, 12139, 21594, 22686, 23482, 24278, 35223, 36417, 68381, 70446, 72834, 136762, 205143, 223079, 230641, 410286, 446158, 461282, 669237, 691923, 716201, 1338474, 1383846, 1432402, 2148603, 4297206, 13607819, 27215638, 40823457, 81646914]

約数ペア:

[(1, 81646914), (2, 40823457), (3, 27215638), (6, 13607819), (19, 4297206), (38, 2148603), (57, 1432402), (59, 1383846), (61, 1338474), (114, 716201), (118, 691923), (122, 669237), (177, 461282), (183, 446158), (199, 410286), (354, 230641), (366, 223079), (398, 205143), (597, 136762), (1121, 72834), (1159, 70446), (1194, 68381), (2242, 36417), (2318, 35223), (3363, 24278), (3477, 23482), (3599, 22686), (3781, 21594), (6726, 12139), (6954, 11741), (7198, 11343), (7562, 10797)]