1228019456

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{397}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 2523514224

約数和(自身を除く): 1295494768

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 281, 344, 397, 562, 688, 794, 1124, 1376, 1588, 2248, 2752, 3176, 4496, 5504, 6352, 8992, 11008, 12083, 12704, 17071, 17984, 24166, 25408, 34142, 35968, 48332, 50816, 68284, 71936, 96664, 101632, 111557, 136568, 193328, 223114, 273136, 386656, 446228, 546272, 773312, 892456, 1092544, 1546624, 1784912, 2185088, 3093248, 3569824, 4370176, 4796951, 7139648, 9593902, 14279296, 19187804, 28558592, 38375608, 76751216, 153502432, 307004864, 614009728, 1228019456]

約数ペア:

[(1, 1228019456), (2, 614009728), (4, 307004864), (8, 153502432), (16, 76751216), (32, 38375608), (43, 28558592), (64, 19187804), (86, 14279296), (128, 9593902), (172, 7139648), (256, 4796951), (281, 4370176), (344, 3569824), (397, 3093248), (562, 2185088), (688, 1784912), (794, 1546624), (1124, 1092544), (1376, 892456), (1588, 773312), (2248, 546272), (2752, 446228), (3176, 386656), (4496, 273136), (5504, 223114), (6352, 193328), (8992, 136568), (11008, 111557), (12083, 101632), (12704, 96664), (17071, 71936), (17984, 68284), (24166, 50816), (25408, 48332), (34142, 35968)]