128950112

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1619}}^1$

素因数の和:1779

約数の個数: 48

約数和(自身を含む): 269438400

約数和(自身を除く): 140488288

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 152, 262, 304, 524, 608, 1048, 1619, 2096, 2489, 3238, 4192, 4978, 6476, 9956, 12952, 19912, 25904, 30761, 39824, 51808, 61522, 79648, 123044, 212089, 246088, 424178, 492176, 848356, 984352, 1696712, 3393424, 4029691, 6786848, 8059382, 16118764, 32237528, 64475056, 128950112]

約数ペア:

[(1, 128950112), (2, 64475056), (4, 32237528), (8, 16118764), (16, 8059382), (19, 6786848), (32, 4029691), (38, 3393424), (76, 1696712), (131, 984352), (152, 848356), (262, 492176), (304, 424178), (524, 246088), (608, 212089), (1048, 123044), (1619, 79648), (2096, 61522), (2489, 51808), (3238, 39824), (4192, 30761), (4978, 25904), (6476, 19912), (9956, 12952)]