138898396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 304365600

約数和(自身を除く): 165467204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 149, 169, 182, 197, 298, 338, 364, 394, 596, 676, 788, 1043, 1183, 1379, 1937, 2086, 2366, 2561, 2758, 3874, 4172, 4732, 5122, 5516, 7748, 10244, 13559, 17927, 25181, 27118, 29353, 33293, 35854, 50362, 54236, 58706, 66586, 71708, 100724, 117412, 133172, 176267, 205471, 233051, 352534, 381589, 410942, 466102, 705068, 763178, 821884, 932204, 1526356, 2671123, 4960657, 5342246, 9921314, 10684492, 19842628, 34724599, 69449198, 138898396]

約数ペア:

[(1, 138898396), (2, 69449198), (4, 34724599), (7, 19842628), (13, 10684492), (14, 9921314), (26, 5342246), (28, 4960657), (52, 2671123), (91, 1526356), (149, 932204), (169, 821884), (182, 763178), (197, 705068), (298, 466102), (338, 410942), (364, 381589), (394, 352534), (596, 233051), (676, 205471), (788, 176267), (1043, 133172), (1183, 117412), (1379, 100724), (1937, 71708), (2086, 66586), (2366, 58706), (2561, 54236), (2758, 50362), (3874, 35854), (4172, 33293), (4732, 29353), (5122, 27118), (5516, 25181), (7748, 17927), (10244, 13559)]