90221272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 188179200

約数和(自身を除く): 97957928

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 131, 152, 184, 197, 262, 394, 437, 524, 788, 874, 1048, 1576, 1748, 2489, 3013, 3496, 3743, 4531, 4978, 6026, 7486, 9062, 9956, 12052, 14972, 18124, 19912, 24104, 25807, 29944, 36248, 51614, 57247, 86089, 103228, 114494, 172178, 206456, 228988, 344356, 457976, 490333, 593561, 688712, 980666, 1187122, 1961332, 2374244, 3922664, 4748488, 11277659, 22555318, 45110636, 90221272]

約数ペア:

[(1, 90221272), (2, 45110636), (4, 22555318), (8, 11277659), (19, 4748488), (23, 3922664), (38, 2374244), (46, 1961332), (76, 1187122), (92, 980666), (131, 688712), (152, 593561), (184, 490333), (197, 457976), (262, 344356), (394, 228988), (437, 206456), (524, 172178), (788, 114494), (874, 103228), (1048, 86089), (1576, 57247), (1748, 51614), (2489, 36248), (3013, 29944), (3496, 25807), (3743, 24104), (4531, 19912), (4978, 18124), (6026, 14972), (7486, 12052), (9062, 9956)]