398719188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{653}}^1\times {\mathrm{2423}}^1$

素因数の和:3093

約数の個数: 72

約数和(自身を含む): 1154095488

約数和(自身を除く): 755376300

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 653, 1306, 1959, 2423, 2612, 3918, 4571, 4846, 5877, 7269, 7836, 9142, 9692, 11754, 13713, 14538, 16961, 18284, 21807, 23508, 27426, 29076, 33922, 41139, 43614, 50883, 54852, 67844, 82278, 87228, 101766, 152649, 164556, 203532, 305298, 610596, 1582219, 3164438, 4746657, 6328876, 9493314, 11075533, 14239971, 18986628, 22151066, 28479942, 33226599, 44302132, 56959884, 66453198, 99679797, 132906396, 199359594, 398719188]

約数ペア:

[(1, 398719188), (2, 199359594), (3, 132906396), (4, 99679797), (6, 66453198), (7, 56959884), (9, 44302132), (12, 33226599), (14, 28479942), (18, 22151066), (21, 18986628), (28, 14239971), (36, 11075533), (42, 9493314), (63, 6328876), (84, 4746657), (126, 3164438), (252, 1582219), (653, 610596), (1306, 305298), (1959, 203532), (2423, 164556), (2612, 152649), (3918, 101766), (4571, 87228), (4846, 82278), (5877, 67844), (7269, 54852), (7836, 50883), (9142, 43614), (9692, 41139), (11754, 33922), (13713, 29076), (14538, 27426), (16961, 23508), (18284, 21807)]