178331872

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2239}}^1$

素因数の和:2399

約数の個数: 48

約数和(自身を含む): 372556800

約数和(自身を除く): 194224928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 152, 262, 304, 524, 608, 1048, 2096, 2239, 2489, 4192, 4478, 4978, 8956, 9956, 17912, 19912, 35824, 39824, 42541, 71648, 79648, 85082, 170164, 293309, 340328, 586618, 680656, 1173236, 1361312, 2346472, 4692944, 5572871, 9385888, 11145742, 22291484, 44582968, 89165936, 178331872]

約数ペア:

[(1, 178331872), (2, 89165936), (4, 44582968), (8, 22291484), (16, 11145742), (19, 9385888), (32, 5572871), (38, 4692944), (76, 2346472), (131, 1361312), (152, 1173236), (262, 680656), (304, 586618), (524, 340328), (608, 293309), (1048, 170164), (2096, 85082), (2239, 79648), (2489, 71648), (4192, 42541), (4478, 39824), (4978, 35824), (8956, 19912), (9956, 17912)]