161615330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{1327}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 306927360

約数和(自身を除く): 145312030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 641, 1282, 1327, 2654, 3205, 6410, 6635, 12179, 13270, 24358, 25213, 50426, 60895, 121790, 126065, 252130, 850607, 1701214, 4253035, 8506070, 16161533, 32323066, 80807665, 161615330]

約数ペア:

[(1, 161615330), (2, 80807665), (5, 32323066), (10, 16161533), (19, 8506070), (38, 4253035), (95, 1701214), (190, 850607), (641, 252130), (1282, 126065), (1327, 121790), (2654, 60895), (3205, 50426), (6410, 25213), (6635, 24358), (12179, 13270)]