621242801284

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{159013}}^1$

素因数の和:159705

約数の個数: 72

約数和(自身を含む): 1307507244288

約数和(自身を除く): 686264443004

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 643, 868, 1286, 1519, 2572, 3038, 4501, 6076, 9002, 18004, 19933, 31507, 39866, 63014, 79732, 126028, 139531, 159013, 279062, 318026, 558124, 636052, 976717, 1113091, 1953434, 2226182, 3906868, 4452364, 4929403, 7791637, 9858806, 15583274, 19717612, 31166548, 34505821, 69011642, 102245359, 138023284, 204490718, 241540747, 408981436, 483081494, 715717513, 966162988, 1431435026, 2862870052, 3169606129, 5010022591, 6339212258, 10020045182, 12678424516, 20040090364, 22187242903, 44374485806, 88748971612, 155310700321, 310621400642, 621242801284]

約数ペア:

[(1, 621242801284), (2, 310621400642), (4, 155310700321), (7, 88748971612), (14, 44374485806), (28, 22187242903), (31, 20040090364), (49, 12678424516), (62, 10020045182), (98, 6339212258), (124, 5010022591), (196, 3169606129), (217, 2862870052), (434, 1431435026), (643, 966162988), (868, 715717513), (1286, 483081494), (1519, 408981436), (2572, 241540747), (3038, 204490718), (4501, 138023284), (6076, 102245359), (9002, 69011642), (18004, 34505821), (19933, 31166548), (31507, 19717612), (39866, 15583274), (63014, 9858806), (79732, 7791637), (126028, 4929403), (139531, 4452364), (159013, 3906868), (279062, 2226182), (318026, 1953434), (558124, 1113091), (636052, 976717)]