81323168

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1123}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 167682816

約数和(自身を除く): 86359648

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 73, 124, 146, 248, 292, 496, 584, 992, 1123, 1168, 2246, 2263, 2336, 4492, 4526, 8984, 9052, 17968, 18104, 34813, 35936, 36208, 69626, 72416, 81979, 139252, 163958, 278504, 327916, 557008, 655832, 1114016, 1311664, 2541349, 2623328, 5082698, 10165396, 20330792, 40661584, 81323168]

約数ペア:

[(1, 81323168), (2, 40661584), (4, 20330792), (8, 10165396), (16, 5082698), (31, 2623328), (32, 2541349), (62, 1311664), (73, 1114016), (124, 655832), (146, 557008), (248, 327916), (292, 278504), (496, 163958), (584, 139252), (992, 81979), (1123, 72416), (1168, 69626), (2246, 36208), (2263, 35936), (2336, 34813), (4492, 18104), (4526, 17968), (8984, 9052)]