243205168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 518538240

約数和(自身を除く): 275333072

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 131, 152, 197, 248, 262, 304, 394, 496, 524, 589, 788, 1048, 1178, 1576, 2096, 2356, 2489, 3152, 3743, 4061, 4712, 4978, 6107, 7486, 8122, 9424, 9956, 12214, 14972, 16244, 19912, 24428, 25807, 29944, 32488, 39824, 48856, 51614, 59888, 64976, 77159, 97712, 103228, 116033, 154318, 206456, 232066, 308636, 412912, 464132, 490333, 617272, 800017, 928264, 980666, 1234544, 1600034, 1856528, 1961332, 3200068, 3922664, 6400136, 7845328, 12800272, 15200323, 30400646, 60801292, 121602584, 243205168]

約数ペア:

[(1, 243205168), (2, 121602584), (4, 60801292), (8, 30400646), (16, 15200323), (19, 12800272), (31, 7845328), (38, 6400136), (62, 3922664), (76, 3200068), (124, 1961332), (131, 1856528), (152, 1600034), (197, 1234544), (248, 980666), (262, 928264), (304, 800017), (394, 617272), (496, 490333), (524, 464132), (589, 412912), (788, 308636), (1048, 232066), (1178, 206456), (1576, 154318), (2096, 116033), (2356, 103228), (2489, 97712), (3152, 77159), (3743, 64976), (4061, 59888), (4712, 51614), (4978, 48856), (6107, 39824), (7486, 32488), (8122, 29944), (9424, 25807), (9956, 24428), (12214, 19912), (14972, 16244)]