81282304

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1035

約数の個数: 72

約数和(自身を含む): 181016640

約数和(自身を除く): 99734336

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 256, 272, 304, 323, 544, 608, 646, 983, 1088, 1216, 1292, 1966, 2176, 2432, 2584, 3932, 4352, 4864, 5168, 7864, 10336, 15728, 16711, 18677, 20672, 31456, 33422, 37354, 41344, 62912, 66844, 74708, 82688, 125824, 133688, 149416, 251648, 267376, 298832, 317509, 534752, 597664, 635018, 1069504, 1195328, 1270036, 2139008, 2390656, 2540072, 4278016, 4781312, 5080144, 10160288, 20320576, 40641152, 81282304]

約数ペア:

[(1, 81282304), (2, 40641152), (4, 20320576), (8, 10160288), (16, 5080144), (17, 4781312), (19, 4278016), (32, 2540072), (34, 2390656), (38, 2139008), (64, 1270036), (68, 1195328), (76, 1069504), (128, 635018), (136, 597664), (152, 534752), (256, 317509), (272, 298832), (304, 267376), (323, 251648), (544, 149416), (608, 133688), (646, 125824), (983, 82688), (1088, 74708), (1216, 66844), (1292, 62912), (1966, 41344), (2176, 37354), (2432, 33422), (2584, 31456), (3932, 20672), (4352, 18677), (4864, 16711), (5168, 15728), (7864, 10336)]