17217728

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:721

約数の個数: 56

約数和(自身を含む): 38337744

約数和(自身を除く): 21120016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 148, 176, 296, 352, 407, 592, 661, 704, 814, 1184, 1322, 1628, 2368, 2644, 3256, 5288, 6512, 7271, 10576, 13024, 14542, 21152, 24457, 26048, 29084, 42304, 48914, 58168, 97828, 116336, 195656, 232672, 269027, 391312, 465344, 538054, 782624, 1076108, 1565248, 2152216, 4304432, 8608864, 17217728]

約数ペア:

[(1, 17217728), (2, 8608864), (4, 4304432), (8, 2152216), (11, 1565248), (16, 1076108), (22, 782624), (32, 538054), (37, 465344), (44, 391312), (64, 269027), (74, 232672), (88, 195656), (148, 116336), (176, 97828), (296, 58168), (352, 48914), (407, 42304), (592, 29084), (661, 26048), (704, 24457), (814, 21152), (1184, 14542), (1322, 13024), (1628, 10576), (2368, 7271), (2644, 6512), (3256, 5288)]