231386116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 471146760

約数和(自身を除く): 239760644

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 89, 173, 178, 221, 289, 346, 356, 442, 578, 692, 884, 1156, 1157, 1513, 2249, 2314, 2941, 3026, 3757, 4498, 4628, 5882, 6052, 7514, 8996, 11764, 15028, 15397, 19669, 25721, 30794, 38233, 39338, 49997, 51442, 61588, 76466, 78676, 99994, 102884, 152932, 199988, 200161, 261749, 334373, 400322, 523498, 649961, 668746, 800644, 1046996, 1299922, 1337492, 2599844, 3402737, 4449733, 6805474, 8899466, 13610948, 17798932, 57846529, 115693058, 231386116]

約数ペア:

[(1, 231386116), (2, 115693058), (4, 57846529), (13, 17798932), (17, 13610948), (26, 8899466), (34, 6805474), (52, 4449733), (68, 3402737), (89, 2599844), (173, 1337492), (178, 1299922), (221, 1046996), (289, 800644), (346, 668746), (356, 649961), (442, 523498), (578, 400322), (692, 334373), (884, 261749), (1156, 200161), (1157, 199988), (1513, 152932), (2249, 102884), (2314, 99994), (2941, 78676), (3026, 76466), (3757, 61588), (4498, 51442), (4628, 49997), (5882, 39338), (6052, 38233), (7514, 30794), (8996, 25721), (11764, 19669), (15028, 15397)]