257460512

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2243}}^1$

素因数の和:2481

約数の個数: 48

約数和(自身を含む): 539475552

約数和(自身を除く): 282015040

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 211, 272, 422, 544, 844, 1688, 2243, 3376, 3587, 4486, 6752, 7174, 8972, 14348, 17944, 28696, 35888, 38131, 57392, 71776, 76262, 114784, 152524, 305048, 473273, 610096, 946546, 1220192, 1893092, 3786184, 7572368, 8045641, 15144736, 16091282, 32182564, 64365128, 128730256, 257460512]

約数ペア:

[(1, 257460512), (2, 128730256), (4, 64365128), (8, 32182564), (16, 16091282), (17, 15144736), (32, 8045641), (34, 7572368), (68, 3786184), (136, 1893092), (211, 1220192), (272, 946546), (422, 610096), (544, 473273), (844, 305048), (1688, 152524), (2243, 114784), (3376, 76262), (3587, 71776), (4486, 57392), (6752, 38131), (7174, 35888), (8972, 28696), (14348, 17944)]