647234388

素因数分解:

$2^2\times 3^5\times {\mathrm{607}}^1\times {\mathrm{1097}}^1$

素因数の和:1723

約数の個数: 72

約数和(自身を含む): 1701004032

約数和(自身を除く): 1053769644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 607, 972, 1097, 1214, 1821, 2194, 2428, 3291, 3642, 4388, 5463, 6582, 7284, 9873, 10926, 13164, 16389, 19746, 21852, 29619, 32778, 39492, 49167, 59238, 65556, 88857, 98334, 118476, 147501, 177714, 196668, 266571, 295002, 355428, 533142, 590004, 665879, 1066284, 1331758, 1997637, 2663516, 3995274, 5992911, 7990548, 11985822, 17978733, 23971644, 35957466, 53936199, 71914932, 107872398, 161808597, 215744796, 323617194, 647234388]

約数ペア:

[(1, 647234388), (2, 323617194), (3, 215744796), (4, 161808597), (6, 107872398), (9, 71914932), (12, 53936199), (18, 35957466), (27, 23971644), (36, 17978733), (54, 11985822), (81, 7990548), (108, 5992911), (162, 3995274), (243, 2663516), (324, 1997637), (486, 1331758), (607, 1066284), (972, 665879), (1097, 590004), (1214, 533142), (1821, 355428), (2194, 295002), (2428, 266571), (3291, 196668), (3642, 177714), (4388, 147501), (5463, 118476), (6582, 98334), (7284, 88857), (9873, 65556), (10926, 59238), (13164, 49167), (16389, 39492), (19746, 32778), (21852, 29619)]