319197568

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{131249}}^1$

素因数の和:131282

約数の個数: 32

約数和(自身を含む): 669375000

約数和(自身を除く): 350177432

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 131249, 262498, 524996, 1049992, 2099984, 2493731, 4199968, 4987462, 8399936, 9974924, 16799872, 19949848, 39899696, 79799392, 159598784, 319197568]

約数ペア:

[(1, 319197568), (2, 159598784), (4, 79799392), (8, 39899696), (16, 19949848), (19, 16799872), (32, 9974924), (38, 8399936), (64, 4987462), (76, 4199968), (128, 2493731), (152, 2099984), (304, 1049992), (608, 524996), (1216, 262498), (2432, 131249)]