30721808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1163}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 64662528

約数和(自身を除く): 33940720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 127, 208, 254, 508, 1016, 1163, 1651, 2032, 2326, 3302, 4652, 6604, 9304, 13208, 15119, 18608, 26416, 30238, 60476, 120952, 147701, 241904, 295402, 590804, 1181608, 1920113, 2363216, 3840226, 7680452, 15360904, 30721808]

約数ペア:

[(1, 30721808), (2, 15360904), (4, 7680452), (8, 3840226), (13, 2363216), (16, 1920113), (26, 1181608), (52, 590804), (104, 295402), (127, 241904), (208, 147701), (254, 120952), (508, 60476), (1016, 30238), (1163, 26416), (1651, 18608), (2032, 15119), (2326, 13208), (3302, 9304), (4652, 6604)]