72921316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3209}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 150998400

約数和(自身を除く): 78077084

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 247, 299, 437, 494, 598, 874, 988, 1196, 1748, 3209, 5681, 6418, 11362, 12836, 22724, 41717, 60971, 73807, 83434, 121942, 147614, 166868, 243884, 295228, 792623, 959491, 1402333, 1585246, 1918982, 2804666, 3170492, 3837964, 5609332, 18230329, 36460658, 72921316]

約数ペア:

[(1, 72921316), (2, 36460658), (4, 18230329), (13, 5609332), (19, 3837964), (23, 3170492), (26, 2804666), (38, 1918982), (46, 1585246), (52, 1402333), (76, 959491), (92, 792623), (247, 295228), (299, 243884), (437, 166868), (494, 147614), (598, 121942), (874, 83434), (988, 73807), (1196, 60971), (1748, 41717), (3209, 22724), (5681, 12836), (6418, 11362)]