31317228

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 82188288

約数和(自身を除く): 50871060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 83, 94, 141, 166, 188, 223, 249, 282, 332, 423, 446, 498, 564, 669, 747, 846, 892, 996, 1338, 1494, 1692, 2007, 2676, 2988, 3901, 4014, 7802, 8028, 10481, 11703, 15604, 18509, 20962, 23406, 31443, 35109, 37018, 41924, 46812, 55527, 62886, 70218, 74036, 94329, 111054, 125772, 140436, 166581, 188658, 222108, 333162, 377316, 666324, 869923, 1739846, 2609769, 3479692, 5219538, 7829307, 10439076, 15658614, 31317228]

約数ペア:

[(1, 31317228), (2, 15658614), (3, 10439076), (4, 7829307), (6, 5219538), (9, 3479692), (12, 2609769), (18, 1739846), (36, 869923), (47, 666324), (83, 377316), (94, 333162), (141, 222108), (166, 188658), (188, 166581), (223, 140436), (249, 125772), (282, 111054), (332, 94329), (423, 74036), (446, 70218), (498, 62886), (564, 55527), (669, 46812), (747, 41924), (846, 37018), (892, 35109), (996, 31443), (1338, 23406), (1494, 20962), (1692, 18509), (2007, 15604), (2676, 11703), (2988, 10481), (3901, 8028), (4014, 7802)]