12171996

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 32432400

約数和(自身を除く): 20260404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 89, 116, 131, 174, 178, 261, 262, 267, 348, 356, 393, 522, 524, 534, 786, 801, 1044, 1068, 1179, 1572, 1602, 2358, 2581, 3204, 3799, 4716, 5162, 7598, 7743, 10324, 11397, 11659, 15196, 15486, 22794, 23229, 23318, 30972, 34191, 34977, 45588, 46458, 46636, 68382, 69954, 92916, 104931, 136764, 139908, 209862, 338111, 419724, 676222, 1014333, 1352444, 2028666, 3042999, 4057332, 6085998, 12171996]

約数ペア:

[(1, 12171996), (2, 6085998), (3, 4057332), (4, 3042999), (6, 2028666), (9, 1352444), (12, 1014333), (18, 676222), (29, 419724), (36, 338111), (58, 209862), (87, 139908), (89, 136764), (116, 104931), (131, 92916), (174, 69954), (178, 68382), (261, 46636), (262, 46458), (267, 45588), (348, 34977), (356, 34191), (393, 30972), (522, 23318), (524, 23229), (534, 22794), (786, 15486), (801, 15196), (1044, 11659), (1068, 11397), (1179, 10324), (1572, 7743), (1602, 7598), (2358, 5162), (2581, 4716), (3204, 3799)]