421895916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{12697}}^1$

素因数の和:12791

約数の個数: 72

約数和(自身を含む): 1164762144

約数和(自身を除く): 742866228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2556, 2769, 3692, 5538, 8307, 11076, 12697, 16614, 25394, 33228, 38091, 50788, 76182, 114273, 152364, 165061, 228546, 330122, 457092, 495183, 660244, 901487, 990366, 1485549, 1802974, 1980732, 2704461, 2971098, 3605948, 5408922, 5942196, 8113383, 10817844, 11719331, 16226766, 23438662, 32453532, 35157993, 46877324, 70315986, 105473979, 140631972, 210947958, 421895916]

約数ペア:

[(1, 421895916), (2, 210947958), (3, 140631972), (4, 105473979), (6, 70315986), (9, 46877324), (12, 35157993), (13, 32453532), (18, 23438662), (26, 16226766), (36, 11719331), (39, 10817844), (52, 8113383), (71, 5942196), (78, 5408922), (117, 3605948), (142, 2971098), (156, 2704461), (213, 1980732), (234, 1802974), (284, 1485549), (426, 990366), (468, 901487), (639, 660244), (852, 495183), (923, 457092), (1278, 330122), (1846, 228546), (2556, 165061), (2769, 152364), (3692, 114273), (5538, 76182), (8307, 50788), (11076, 38091), (12697, 33228), (16614, 25394)]