128435744

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3463}}^1$

素因数の和:3553

約数の個数: 48

約数和(自身を含む): 270607680

約数和(自身を除く): 142171936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 76, 122, 152, 244, 304, 488, 608, 976, 1159, 1952, 2318, 3463, 4636, 6926, 9272, 13852, 18544, 27704, 37088, 55408, 65797, 110816, 131594, 211243, 263188, 422486, 526376, 844972, 1052752, 1689944, 2105504, 3379888, 4013617, 6759776, 8027234, 16054468, 32108936, 64217872, 128435744]

約数ペア:

[(1, 128435744), (2, 64217872), (4, 32108936), (8, 16054468), (16, 8027234), (19, 6759776), (32, 4013617), (38, 3379888), (61, 2105504), (76, 1689944), (122, 1052752), (152, 844972), (244, 526376), (304, 422486), (488, 263188), (608, 211243), (976, 131594), (1159, 110816), (1952, 65797), (2318, 55408), (3463, 37088), (4636, 27704), (6926, 18544), (9272, 13852)]