398766148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 817194560

約数和(自身を除く): 418428412

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 103, 121, 206, 209, 242, 412, 418, 421, 484, 836, 842, 1133, 1684, 1957, 2266, 2299, 3914, 4532, 4598, 4631, 7828, 7999, 9196, 9262, 12463, 15998, 18524, 21527, 24926, 31996, 43054, 43363, 49852, 50941, 86108, 86726, 87989, 101882, 173452, 175978, 203764, 236797, 351956, 473594, 476993, 823897, 947188, 953986, 967879, 1647794, 1907972, 1935758, 3295588, 3871516, 5246923, 9062867, 10493846, 18125734, 20987692, 36251468, 99691537, 199383074, 398766148]

約数ペア:

[(1, 398766148), (2, 199383074), (4, 99691537), (11, 36251468), (19, 20987692), (22, 18125734), (38, 10493846), (44, 9062867), (76, 5246923), (103, 3871516), (121, 3295588), (206, 1935758), (209, 1907972), (242, 1647794), (412, 967879), (418, 953986), (421, 947188), (484, 823897), (836, 476993), (842, 473594), (1133, 351956), (1684, 236797), (1957, 203764), (2266, 175978), (2299, 173452), (3914, 101882), (4532, 87989), (4598, 86726), (4631, 86108), (7828, 50941), (7999, 49852), (9196, 43363), (9262, 43054), (12463, 31996), (15998, 24926), (18524, 21527)]