25489555

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 13810349

約数列:

[1, 5, 7, 13, 35, 49, 53, 65, 91, 151, 245, 265, 371, 455, 637, 689, 755, 1057, 1855, 1963, 2597, 3185, 3445, 4823, 5285, 7399, 8003, 9815, 12985, 13741, 24115, 33761, 36995, 40015, 56021, 68705, 96187, 104039, 168805, 280105, 392147, 480935, 520195, 728273, 1960735, 3641365, 5097911, 25489555]

約数ペア:

[(1, 25489555), (5, 5097911), (7, 3641365), (13, 1960735), (35, 728273), (49, 520195), (53, 480935), (65, 392147), (91, 280105), (151, 168805), (245, 104039), (265, 96187), (371, 68705), (455, 56021), (637, 40015), (689, 36995), (755, 33761), (1057, 24115), (1855, 13741), (1963, 12985), (2597, 9815), (3185, 8003), (3445, 7399), (4823, 5285)]