431337788

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 902059200

約数和(自身を除く): 470721412

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 89, 98, 158, 178, 196, 313, 316, 356, 553, 623, 626, 1106, 1246, 1252, 2191, 2212, 2492, 3871, 4361, 4382, 7031, 7742, 8722, 8764, 14062, 15337, 15484, 17444, 24727, 27857, 28124, 30674, 49217, 49454, 55714, 61348, 98434, 98908, 111428, 173089, 194999, 196868, 344519, 346178, 389998, 689038, 692356, 779996, 1211623, 1364993, 1378076, 2200703, 2423246, 2729986, 4401406, 4846492, 5459972, 8802812, 15404921, 30809842, 61619684, 107834447, 215668894, 431337788]

約数ペア:

[(1, 431337788), (2, 215668894), (4, 107834447), (7, 61619684), (14, 30809842), (28, 15404921), (49, 8802812), (79, 5459972), (89, 4846492), (98, 4401406), (158, 2729986), (178, 2423246), (196, 2200703), (313, 1378076), (316, 1364993), (356, 1211623), (553, 779996), (623, 692356), (626, 689038), (1106, 389998), (1246, 346178), (1252, 344519), (2191, 196868), (2212, 194999), (2492, 173089), (3871, 111428), (4361, 98908), (4382, 98434), (7031, 61348), (7742, 55714), (8722, 49454), (8764, 49217), (14062, 30674), (15337, 28124), (15484, 27857), (17444, 24727)]