238409964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16433}}^1$

素因数の和:16487

約数の個数: 72

約数和(自身を含む): 669981312

約数和(自身を除く): 431571348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 16433, 32866, 49299, 65732, 98598, 147897, 197196, 213629, 295794, 427258, 509423, 591588, 640887, 854516, 1018846, 1281774, 1528269, 1922661, 2037692, 2563548, 3056538, 3845322, 4584807, 6113076, 6622499, 7690644, 9169614, 13244998, 18339228, 19867497, 26489996, 39734994, 59602491, 79469988, 119204982, 238409964]

約数ペア:

[(1, 238409964), (2, 119204982), (3, 79469988), (4, 59602491), (6, 39734994), (9, 26489996), (12, 19867497), (13, 18339228), (18, 13244998), (26, 9169614), (31, 7690644), (36, 6622499), (39, 6113076), (52, 4584807), (62, 3845322), (78, 3056538), (93, 2563548), (117, 2037692), (124, 1922661), (156, 1528269), (186, 1281774), (234, 1018846), (279, 854516), (372, 640887), (403, 591588), (468, 509423), (558, 427258), (806, 295794), (1116, 213629), (1209, 197196), (1612, 147897), (2418, 98598), (3627, 65732), (4836, 49299), (7254, 32866), (14508, 16433)]