38698972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 81164160

約数和(自身を除く): 42465188

約数列:

[1, 2, 4, 13, 19, 23, 26, 38, 46, 52, 76, 92, 131, 169, 247, 262, 299, 338, 437, 494, 524, 598, 676, 874, 988, 1196, 1703, 1748, 2489, 3013, 3211, 3406, 3887, 4978, 5681, 6026, 6422, 6812, 7774, 9956, 11362, 12052, 12844, 15548, 22139, 22724, 32357, 39169, 44278, 57247, 64714, 73853, 78338, 88556, 114494, 129428, 147706, 156676, 228988, 295412, 420641, 509197, 744211, 841282, 1018394, 1488422, 1682564, 2036788, 2976844, 9674743, 19349486, 38698972]

約数ペア:

[(1, 38698972), (2, 19349486), (4, 9674743), (13, 2976844), (19, 2036788), (23, 1682564), (26, 1488422), (38, 1018394), (46, 841282), (52, 744211), (76, 509197), (92, 420641), (131, 295412), (169, 228988), (247, 156676), (262, 147706), (299, 129428), (338, 114494), (437, 88556), (494, 78338), (524, 73853), (598, 64714), (676, 57247), (874, 44278), (988, 39169), (1196, 32357), (1703, 22724), (1748, 22139), (2489, 15548), (3013, 12844), (3211, 12052), (3406, 11362), (3887, 9956), (4978, 7774), (5681, 6812), (6026, 6422)]